The qpopper list archive ending on 23 Mar 2001
Topics covered in this issue include:
1. Addition to : Can I send mail using QPopper
BethK Corporation <KBrockway at BethKCorporation dot com>
Tue, 13 Mar 2001 19:02:29 -0500
2. AW: Can I send mail using QPopper?
"Philipp Gimm" <philipp at problemchen dot de>
Wed, 14 Mar 2001 01:05:26 +0100
3. QPopper + MySQL
Nuno Teixeira <nuno.teixeira at pt-quorum dot com>
Wed, 14 Mar 2001 00:59:12 +0000 (GMT)
4. Re: Can I send mail using QPopper?
"Kenneth Porter" <shiva at well dot com>
Tue, 13 Mar 2001 18:13:06 -0800
5. Re: Reverse DNS only on some interfaces
"Kenneth Porter" <shiva at well dot com>
Tue, 13 Mar 2001 18:19:29 -0800
6. unsubscride
Joy Newland <joyn at ndtel dot com>
Wed, 14 Mar 2001 08:34:42 -0600
7. qpopper features
Admin Mailing Lists <mlist at intergrafix dot net>
Wed, 14 Mar 2001 12:19:15 -0500 (EST)
8. Re: Can I send mail using QPopper?
Randall Gellens <randy at qualcomm dot com>
Wed, 14 Mar 2001 11:03:07 -0800
9. Re: Reverse DNS only on some interfaces
Randall Gellens <randy at qualcomm dot com>
Wed, 14 Mar 2001 11:01:07 -0800
10. Links system user to various domains
"David Shreffler" <obscure44 at hotmail dot com>
Wed, 14 Mar 2001 13:34:13 -0600
11. Re: Reverse DNS only on some interfaces
"Joel B. Laing" <joel at scripps dot edu>
Wed, 14 Mar 2001 12:06:16 -0500
12. RE: Can I send mail using QPopper
Kristi L Brockway <kbrockway at bethkcorporation dot com>
Wed, 14 Mar 2001 17:29:12 -0500
13. RE: Can I send mail using QPopper
"Kenneth Porter" <shiva at well dot com>
Wed, 14 Mar 2001 15:30:04 -0800
14. popauth: unknown userid
lucas at omsoft dot com
Wed, 14 Mar 2001 18:48:43 -0800
15. Re: popauth: unknown userid
Joseph S D Yao <jsdy at cospo.osis dot gov>
Wed, 14 Mar 2001 21:54:43 -0500
16. RE: Can I send mail using QPopper
Randall Gellens <randy at qualcomm dot com>
Wed, 14 Mar 2001 19:05:52 -0800
17. Re: popauth: unknown userid
lucas at omsoft dot com
Wed, 14 Mar 2001 19:06:38 -0800
18. Re: popauth: unknown userid
Joseph S D Yao <jsdy at cospo.osis dot gov>
Wed, 14 Mar 2001 22:24:16 -0500
19. Re: Links system user to various domains
RoMaN SoFt / LLFB !! <roman at madrid dot com>
Thu, 15 Mar 2001 10:00:12 +0100
20. Qpopper Security?
Jeff Mericle <jefflist at morehead dot org>
Thu, 15 Mar 2001 09:43:57 -0500
21. Re: Links system user to various domains
"Jeremy C. Reed" <reed at wcug.wwu dot edu>
Thu, 15 Mar 2001 15:03:49 -0800 (PST)
22. Re: popauth: unknown userid
lucas at omsoft dot com
Thu, 15 Mar 2001 16:59:11 -0800
23. Yet another time: hanging qpopper processes
"Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Fri, 16 Mar 2001 12:28:58 +0100
24. Re: Qpopper Security?
Sylvain Robitaille <syl at alcor.concordia dot ca>
Fri, 16 Mar 2001 12:31:12 -0500 (EST)
25. Re: Yet another time: hanging qpopper processes
Randall Gellens <randy at qualcomm dot com>
Fri, 16 Mar 2001 12:07:47 -0800
26. Re: Qpopper Security?
Randall Gellens <randy at qualcomm dot com>
Fri, 16 Mar 2001 12:22:23 -0800
27. Re: Yet another time: hanging qpopper processes
"Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Sat, 17 Mar 2001 13:36:23 +0100
28.
"Eric B. Leslie" <repetio at bentonsystems dot com>
Sat, 17 Mar 2001 09:44:29 -0800
29. dracauth not found
al914479 at ucol dot mx
Sat, 17 Mar 2001 22:10:55 -0600 (CST)
30. Re: Yet another time: hanging qpopper processes
Randall Gellens <randy at qualcomm dot com>
Sun, 18 Mar 2001 21:40:12 -0800
31. Re: Yet another time: hanging qpopper processes
"Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Mon, 19 Mar 2001 07:58:46 +0100
32. Re: your mail
James Ralston <qralston+ml.qpopper at andrew.cmu dot edu>
Mon, 19 Mar 2001 03:50:19 -0500 (EST)
33. Re: Yet another time: hanging qpopper processes
Randall Gellens <randy at qualcomm dot com>
Mon, 19 Mar 2001 09:02:52 -0800
34. Re: dracauth not found
"Kenneth Porter" <shiva at well dot com>
Mon, 19 Mar 2001 17:49:44 -0800
35. Re: dracauth not found
al914479 at ucol dot mx
Tue, 20 Mar 2001 12:53:17 -0600 (CST)
36. Qpopper 3.1.2 on RH7.0 lags?
"Nickolas Ray Ellson" <grimm at nickellson dot com>
Tue, 20 Mar 2001 20:49:07 -0800
37. Re: Qpopper 3.1.2 on RH7.0 lags?
"Kenneth Porter" <shiva at well dot com>
Tue, 20 Mar 2001 21:13:39 -0800
38. Re: Qpopper 3.1.2 on RH7.0 lags?
"Nickolas Ray Ellson" <grimm at nickellson dot com>
Tue, 20 Mar 2001 21:25:24 -0800
39. Re: Qpopper 3.1.2 on RH7.0 lags?
Qpopper Support <qpopper at qualcomm dot com>
Tue, 20 Mar 2001 22:37:44 -0800
40. Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
hypnose at t-online dot de (guenter wessling)
Wed, 21 Mar 2001 10:09:58 +0100
41. Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
"Kenneth Porter" <shiva at well dot com>
Wed, 21 Mar 2001 02:16:15 -0800
42. access rights problems on pop temporary file
Alexis Albinet <albinet at fluxus dot net>
Wed, 21 Mar 2001 12:13:22 +0100
43. Re: access rights problems on pop temporary file
Alexis Albinet <albinet at fluxus dot net>
Wed, 21 Mar 2001 15:54:43 +0100
44. remove
Joseph Peterson <jpeterson at qtm dot net>
Wed, 21 Mar 2001 10:34:15 -0500 (EST)
45. Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
"Nickolas Ray Ellson" <grimm at nickellson dot com>
Wed, 21 Mar 2001 18:24:03 -0800
46. Outlook express not deleting mail from server
Michael Rawls <mrawls at dancris dot com>
Thu, 22 Mar 2001 11:03:31 +0000
47. Re: dracauth not found
Randall Gellens <randy at qualcomm dot com>
Thu, 22 Mar 2001 13:29:10 -0800
48. RE: Outlook express not deleting mail from server
"InvictaNet Customer Support" <support at invictanet.co dot uk>
Fri, 23 Mar 2001 09:42:14 -0000
49. Mail repeatedly downloads messages
John Jones <JohnJ at mindquake dot com>
Fri, 23 Mar 2001 09:17:26 -0800
50. Re: Mail repeatedly downloads messages
Randall Gellens <randy at qualcomm dot com>
Fri, 23 Mar 2001 14:32:49 -0800
From: BethK Corporation <KBrockway at BethKCorporation dot com>
Subject: Addition to : Can I send mail using QPopper
Date: Tue, 13 Mar 2001 19:02:29 -0500
I missed the fact that I can't send mail USING THE WINDOWS MACHINES....but can
with the linux machine.
From: "Philipp Gimm" <philipp at problemchen dot de>
Subject: AW: Can I send mail using QPopper?
Date: Wed, 14 Mar 2001 01:05:26 +0100
Hi!
...thats something with PostFix....
Qpopper is a POP3 server... its only purpose is it to let people
access/delete their email from their mailserver....
-p
> -----Ursprüngliche Nachricht-----
> Von: BethK Corporation [mailto:KBrockway at BethKCorporation dot com]
> Gesendet: Mittwoch, 14. März 2001 00:44
> An: Subscribers of Qpopper
> Betreff: Can I send mail using QPopper?
>
>
> This may sound like a really stupid question....but I am using
> Qpopper with
> Postfix, and I was wondering if you can send out mail with
> Qpopper. We have
> three machines networked together.. 2 windows & 1 linux, we also
> have another
> person who checks his mail from home (another win machine). I can
> send mail to
> any address using the lkinux machine (which has both programs
> installed on it),
> but when I try to send mail to any other addres besides ours...such as
> yahoo.com or anything at all, I get an error message.
>
> ..one of the recipients was rejected by the server.
>
> Is this something I have set up wrong? Did I write to the wrong
> list? Is it
> possibly something I have set up wrong with Postfix.
>
> Any help is, as always, greatly appreciated.
>
> Thanks in advance,
>
> Kristi
>
Date: Wed, 14 Mar 2001 00:59:12 +0000 (GMT)
From: Nuno Teixeira <nuno.teixeira at pt-quorum dot com>
Subject: QPopper + MySQL
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hello to all,
Sometime a go, I've read that someone has interconnect a 3000 pop users
MySQL database with QPopper. I'm very interested in this connection, but I
don't know how to relate the two programs.
I want to know too, if anyone has done the same conection between Bind and
a SQL database for a lot of domains.
Thanks very much to all and to the excellent QPopper product,
- --
Nuno Teixeira
Dir. Técnico
pt-quorum.com
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Comment: Made with pgp4pine 1.75-6
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zlMSByLq2mjT72jWkEBrEgia
=3SrL
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From: "Kenneth Porter" <shiva at well dot com>
Date: Tue, 13 Mar 2001 18:13:06 -0800
Subject: Re: Can I send mail using QPopper?
On Tue, 13 Mar 2001 18:43:54 -0500, BethK Corporation wrote:
>This may sound like a really stupid question....but I am using Qpopper with
>Postfix, and I was wondering if you can send out mail with Qpopper.
Sort of. Qpopper recognizes the XTND XMIT command, which accepts a
message for delivery and hands it off to another agent on the server
for delivery. (Don't know how this handoff is done, though. Randall?)
You must have a client that knows how to use POP3 for sending. (PMMail
from Blueprint Software Works does. I use this feature on one of my
POP3 accounts.)
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
From: "Kenneth Porter" <shiva at well dot com>
Date: Tue, 13 Mar 2001 18:19:29 -0800
Subject: Re: Reverse DNS only on some interfaces
On Tue, 13 Mar 2001 20:35:47 -0500 (EST), Ayan George wrote:
>You can always set up mappings in the /etc/hosts file for your
>local machinese if they are using private addresses.
I've been hand-maintaining reverse DNS for some DHCP-assigned hosts on
the LAN, which is the DNS equivalent of what you suggest. I may just
use dummy host names in the DHCP region to "soak up" the queries, but I
was hoping I could just selectively disable the queries by either
interface or address range.
Another way to approach this is to allow querying only for "non-local"
addresses that are not within the network of the interface they came in
on. (if ((my_ip ^ his_ip) & netmask) do_reverse_lookup();)
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
Date: Wed, 14 Mar 2001 08:34:42 -0600
From: Joy Newland <joyn at ndtel dot com>
Subject: unsubscride
Please take me off of the mailing list
Date: Wed, 14 Mar 2001 12:19:15 -0500 (EST)
From: Admin Mailing Lists <mlist at intergrafix dot net>
Subject: qpopper features
any word on estimated time for qpopper to support for Maildir/ readability
or mysql auth support in v3 (or 4 for that matter).
anyone have a Maildir patch?
Thanx,
-Tony
.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.
Anthony J. Biacco Network Administrator/Engineer
thelittleprince at asteroid-b612 dot org Intergrafix Internet Services
"Dream as if you'll live forever, live as if you'll die today"
http://www.asteroid-b612.org http://www.intergrafix.net
.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.
Date: Wed, 14 Mar 2001 11:03:07 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Can I send mail using QPopper?
At 6:13 PM -0800 3/13/01, Kenneth Porter wrote:
> On Tue, 13 Mar 2001 18:43:54 -0500, BethK Corporation wrote:
>
>>This may sound like a really stupid question....but I am using Qpopper with
>>Postfix, and I was wondering if you can send out mail with Qpopper.
>
> Sort of. Qpopper recognizes the XTND XMIT command, which accepts a
> message for delivery and hands it off to another agent on the server
> for delivery. (Don't know how this handoff is done, though. Randall?)
> You must have a client that knows how to use POP3 for sending. (PMMail
> from Blueprint Software Works does. I use this feature on one of my
> POP3 accounts.)
Qpopper calls sendmail. This is configurable.
Date: Wed, 14 Mar 2001 11:01:07 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Reverse DNS only on some interfaces
At 2:40 PM -0800 3/13/01, Kenneth Porter wrote:
> Is there some way to configure qpopper to only do reverse DNS checks on
> some interfaces, but not all?
You could run Qpopper in stand-alone mode, using separate instances
for the interfaces that you want reverse-DNS and those you don't.
You can tell each instance which interface to bind to, and to do
reverse lookups or not.
From: "David Shreffler" <obscure44 at hotmail dot com>
Subject: Links system user to various domains
Date: Wed, 14 Mar 2001 13:34:13 -0600
Hi,
I am not sure if this is a qpopper configuration, or if it is a system
configuration under linux, apache, or sendmail. I have many users in the
system and have several domains pointing to my server. I want to specifiy
what user can check their mail through a given domain. For example: I have
domain1.com, domain2.com, and domain3.com. Currently, user 'bob' can get
email from 'bob at domain1.com', 'bob@domain2.com', and 'bob at domain3 dot com dot ' How
can I specify which email and web address user 'bob' is attached to?
thanks,
david.
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com
Date: Wed, 14 Mar 2001 12:06:16 -0500
From: "Joel B. Laing" <joel at scripps dot edu>
Subject: Re: Reverse DNS only on some interfaces
If you are behind a firewall, you could configure the firewall to
forward port 110 to an alternate port(109?). Then on the server, have
two different pop daemons started out of inetd that listen to the
different ports, then disable dns lookup on the internal port
connections while doing dns lookups on the external connections only. Of
course hacking the code should work too if you like to program...
-Joel
Kenneth Porter wrote:
>
> On Tue, 13 Mar 2001 20:35:47 -0500 (EST), Ayan George wrote:
>
> >You can always set up mappings in the /etc/hosts file for your
> >local machinese if they are using private addresses.
>
> I've been hand-maintaining reverse DNS for some DHCP-assigned hosts on
> the LAN, which is the DNS equivalent of what you suggest. I may just
> use dummy host names in the DHCP region to "soak up" the queries, but I
> was hoping I could just selectively disable the queries by either
> interface or address range.
>
> Another way to approach this is to allow querying only for "non-local"
> addresses that are not within the network of the interface they came in
> on. (if ((my_ip ^ his_ip) & netmask) do_reverse_lookup();)
>
> Ken
> mailto:shiva at well dot com
> http://www.sewingwitch.com/ken/
> [If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
From: Kristi L Brockway <kbrockway at bethkcorporation dot com>
Subject: RE: Can I send mail using QPopper
Date: Wed, 14 Mar 2001 17:29:12 -0500
Randall Gellens wrote:
Qpopper calls sendmail. This is configurable.
Does anyone know how to do this..or point me in the correct direction to where
I can find documentation? I have been all through the QPopper docs and also all
over the website.
As always all help is greatly appreciated.
Thanks in advance,
Kristi
From: "Kenneth Porter" <shiva at well dot com>
Date: Wed, 14 Mar 2001 15:30:04 -0800
Subject: RE: Can I send mail using QPopper
On Wed, 14 Mar 2001 17:29:12 -0500, Kristi L Brockway wrote:
>Qpopper calls sendmail. This is configurable.
>
>Does anyone know how to do this..or point me in the correct direction to where
>I can find documentation? I have been all through the QPopper docs and also all
>over the website.
It's documented in the source. ;-) The relevant file is pop_xmit.c. The
configure script searches for the path to sendmail and writes this to
config.h. You could patch this after configure runs.
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
From: lucas at omsoft dot com
Date: Wed, 14 Mar 2001 18:48:43 -0800
Subject: popauth: unknown userid
Ok, this is strange. I have a FreeBSD 4.2 system, and I have a 'pop' entry in
the passwd file, UID 68. popauth doesn't think so. When I run popauth -init It
returns this error:
popauth: "68": userid unknown
I took a peek at the source, and this error is returned upon failure of
getpwnam. I am not entirely sure if this is a configuration problem within my
system or if popauth is smocking crack. Does anyone know?
Date: Wed, 14 Mar 2001 21:54:43 -0500
From: Joseph S D Yao <jsdy at cospo.osis dot gov>
Subject: Re: popauth: unknown userid
On Wed, Mar 14, 2001 at 06:48:43PM -0800, lucas at omsoft dot com wrote:
> Ok, this is strange. I have a FreeBSD 4.2 system, and I have a 'pop' entry in
> the passwd file, UID 68. popauth doesn't think so. When I run popauth -init It
> returns this error:
> popauth: "68": userid unknown
>
> I took a peek at the source, and this error is returned upon failure of
> getpwnam. I am not entirely sure if this is a configuration problem within my
> system or if popauth is smocking crack. Does anyone know?
Do you have a shadow passwd file? Is the account in that one as well?
Is your :68: UID properly formatted in the first place? Count ':'s.
Try su'ing to the account, create a file in /tmp, see what ls -l says.
--
Joe Yao jsdy at cospo.osis dot gov - Joseph S. D. Yao
COSPO/OSIS Computer Support EMT-B
-----------------------------------------------------------------------
This message is not an official statement of COSPO policies.
Date: Wed, 14 Mar 2001 19:05:52 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: RE: Can I send mail using QPopper
At 3:30 PM -0800 3/14/01, Kenneth Porter wrote:
> On Wed, 14 Mar 2001 17:29:12 -0500, Kristi L Brockway wrote:
>
>>Qpopper calls sendmail. This is configurable.
>>
>>Does anyone know how to do this..or point me in the correct
>> direction to where
>>I can find documentation? I have been all through the QPopper docs
>> and also all
>>over the website.
>
> It's documented in the source. ;-) The relevant file is pop_xmit.c. The
> configure script searches for the path to sendmail and writes this to
> config.h. You could patch this after configure runs.
Yes, you can edit config.h after running ./configure. Also, in
Qpopper LX you can set the 'mail-command' run-time option to the full
path to the desired program.
However, I'm not sure if Kristi was asking how to change the program
invoked by Qpopper to send mail in response to an XTND XMIT command,
or how to use XTND XMIT. If the latter, just tell the client to use
it.
From: lucas at omsoft dot com
Date: Wed, 14 Mar 2001 19:06:38 -0800
Subject: Re: popauth: unknown userid
Yes freebsd has a shadow by default, in /etc/master.passwd. The entry there is
also set. su does not work because the account has no login permissions, no
home directory, but does that really matter? I can give it a home directory and
a shell...
On 14 Mar 2001, at 21:54, Joseph S D Yao wrote:
> On Wed, Mar 14, 2001 at 06:48:43PM -0800, lucas at omsoft dot com wrote:
> > Ok, this is strange. I have a FreeBSD 4.2 system, and I have a 'pop' entry in
> > the passwd file, UID 68. popauth doesn't think so. When I run popauth -init It
> > returns this error:
> > popauth: "68": userid unknown
> >
> > I took a peek at the source, and this error is returned upon failure of
> > getpwnam. I am not entirely sure if this is a configuration problem within my
> > system or if popauth is smocking crack. Does anyone know?
>
> Do you have a shadow passwd file? Is the account in that one as well?
> Is your :68: UID properly formatted in the first place? Count ':'s.
> Try su'ing to the account, create a file in /tmp, see what ls -l says.
>
> --
> Joe Yao jsdy at cospo.osis dot gov - Joseph S. D. Yao
> COSPO/OSIS Computer Support EMT-B
> -----------------------------------------------------------------------
> This message is not an official statement of COSPO policies.
>
Date: Wed, 14 Mar 2001 22:24:16 -0500
From: Joseph S D Yao <jsdy at cospo.osis dot gov>
Subject: Re: popauth: unknown userid
On Wed, Mar 14, 2001 at 07:06:38PM -0800, lucas at omsoft dot com wrote:
> Yes freebsd has a shadow by default, in /etc/master.passwd. The entry there is
> also set. su does not work because the account has no login permissions, no
> home directory, but does that really matter? I can give it a home directory and
> a shell...
We give all of our POP-only users a common but unused directory.
Is this your only account like that?
Also, try writing a stub program that only does a getpwnam(), and see
what kind of error messages you get.
I am going home now ...
--
Joe Yao jsdy at cospo.osis dot gov - Joseph S. D. Yao
COSPO/OSIS Computer Support EMT-B
-----------------------------------------------------------------------
This message is not an official statement of COSPO policies.
From: RoMaN SoFt / LLFB !! <roman at madrid dot com>
Subject: Re: Links system user to various domains
Date: Thu, 15 Mar 2001 10:00:12 +0100
On Wed, 14 Mar 2001 13:34:13 -0600, you wrote:
>I am not sure if this is a qpopper configuration, or if it is a system
>configuration under linux, apache, or sendmail. I have many users in
the
>system and have several domains pointing to my server. I want to
specifiy
>what user can check their mail through a given domain. For example: I
have
>domain1.com, domain2.com, and domain3.com. Currently, user 'bob' can
get
>email from 'bob at domain1.com', 'bob@domain2.com', and 'bob at domain3 dot com dot '
How
>can I specify which email and web address user 'bob' is attached to?
"Web address"? Is this related to email config?
If you're referring to handle multiple domain separately you have to
take into account that:
- user "bob" should have three different mailboxes.
- pop daemons read mailboxes; they don't know anything about domains
- this is a sendmail issue: you should tell sendmail to use different
mailboxes depending on the domain the received mail is destined to.
Ask for help in a sendmail-related forum.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
** RoMaN SoFt / LLFB **
roman at madrid dot com
http://pagina.de/romansoft
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Date: Thu, 15 Mar 2001 09:43:57 -0500
From: Jeff Mericle <jefflist at morehead dot org>
Subject: Qpopper Security?
I occasionally receive qpopper error messages that look like the
following. I believe that this is a hack attempt on my system. Is this
an hack attempt? Was it successful? What exploit is this hacker using
and is there anything I can do to close this hole?
Mar 13 07:14:19 Morehead popper[26337]: EOF from at 209.217.53.174
(209.217.53.174): [0] 29 (Illegal seek); 0 (Success)
Mar 13 07:14:19 Morehead popper[26337]: (null) at 209.217.53.174
(209.217.53.174): -ERR POP EOF or I/O Error: 29 (Illegal
seek); 0 (Success)
--
***********************************************************************
* Jeffrey W. Mericle, MT *
* Systems Administrator *
* Morehead Memorial Hospital *
* 117 E Kings Highway *
* Eden, NC 27288 *
* *
* http://www.morehead.org *
* mailto:jmericle at morehead dot org *
* (336)627-6185 *
* (336)623-6735 FAX *
***********************************************************************
Date: Thu, 15 Mar 2001 15:03:49 -0800 (PST)
From: "Jeremy C. Reed" <reed at wcug.wwu dot edu>
Subject: Re: Links system user to various domains
On Wed, 14 Mar 2001, David Shreffler wrote:
> I am not sure if this is a qpopper configuration, or if it is a system
> configuration under linux, apache, or sendmail. I have many users in the
> system and have several domains pointing to my server. I want to specifiy
> what user can check their mail through a given domain. For example: I have
> domain1.com, domain2.com, and domain3.com. Currently, user 'bob' can get
> email from 'bob at domain1.com', 'bob@domain2.com', and 'bob at domain3 dot com dot ' How
> can I specify which email and web address user 'bob' is attached to?
You can do this by configuring (or patching) your MTA (and maybe MDA) to
deliver to different mailboxes for each bob.
Then patch your POP3 client to use different authentication files for each
domain and use the different mailboxes. (I do this with
http://www.reedmedia.net/software/virtualmail-pop3d/.)
Jeremy C. Reed
....................................................
BSD software, documentation, resources, news...
http://bsd.reedmedia.net/
From: lucas at omsoft dot com
Date: Thu, 15 Mar 2001 16:59:11 -0800
Subject: Re: popauth: unknown userid
Well, I just thought I would let you know that i solved the problem. The
account itself must have something wrong with it, perhaps there is some other
configuration file that disables the account. Anyway, I created a new account
with a different name, no shell and no home directory and re compiled popauth
and it works now. Thanks for everyone's suggestions.
On 14 Mar 2001, at 18:48, lucas at omsoft dot com wrote:
> Ok, this is strange. I have a FreeBSD 4.2 system, and I have a 'pop' entry in
> the passwd file, UID 68. popauth doesn't think so. When I run popauth -init It
> returns this error:
> popauth: "68": userid unknown
>
> I took a peek at the source, and this error is returned upon failure of
> getpwnam. I am not entirely sure if this is a configuration problem within my
> system or if popauth is smocking crack. Does anyone know?
>
From: "Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Date: Fri, 16 Mar 2001 12:28:58 +0100
Subject: Yet another time: hanging qpopper processes
Hello to everyone out there!
Yet another time we have the same old problem we experience since
ages with the current qpopper 3.1.2 on Linux (2.2.16 SMP).
Here are the logs:
Mar 16 08:50:33 chlothar popper[22179]: [drac]: login by ba3760 from host
p3E9E2191.dip.t-dialin.net (62.158.33.145)
Mar 16 08:55:01 chlothar popper[22179]: Stats: ba3760 15 2018046 0 0
p3E9E2191.dip.t-dialin.net 62.158.33.145
Mar 16 09:32:36 chlothar popper[23979]: [drac]: login by ba3760 from host
p3E9E2005.dip.t-dialin.net (62.158.32.5)
Mar 16 09:32:36 chlothar popper[23979]: Stats: ba3760 0 0 0 0
p3E9E2005.dip.t-dialin.net 62.158.32.5
Two times, everything was OK.
Mar 16 09:35:32 chlothar popper[24123]: [drac]: login by ba3760 from host
p3E9E2005.dip.t-dialin.net (62.158.32.5)
Mar 16 09:35:34 chlothar popper[24124]: I/O Error from ba3760 at
62.158.32.5 (p3E9E2005.dip.t-dialin.net): [-1] 104 (Connection reset by
peer); 0 (Success)
The connection got interrupted somehow.
Mar 16 09:35:45 chlothar popper[24129]: ba3760 at
p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
/var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
Now he can't log in any more:
Mar 16 09:36:14 chlothar popper[24156]: ba3760 at
p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
/var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
Mar 16 09:36:27 chlothar popper[24169]: ba3760 at
p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
/var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
Mar 16 11:25:57 chlothar popper[29214]: ba3760 at
p3E9E214E.dip.t-dialin.net (62.158.33.78): -ERR [IN-USE]
/var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
Mar 16 11:27:00 chlothar popper[29261]: ba3760 at
p3E9E214E.dip.t-dialin.net (62.158.33.78): -ERR [IN-USE]
/var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
The qpopper-process (PID 24123) was still laying around at this time,
as well as the .ba3760.pop - lock-file. Killing it with -HUP does nothing,
I need to use -TERM, which removes the process from the table, but
doesn't clean up the lock file. So I have to clean up myself.
We are experiencing this every now and then, and only with some
users. But those few users trigger the problem almost every day. At
least one of them used Microsoft Outlook (don't know which version).
Do I need to go for another POP3 server software? Is there still any
ongoing development for the free version of qpopper?
Sincerely,
Oliver Fleischmann
--
Oliver Fleischmann fleischmann.o at sebadyn dot de
Seba Dynatronic http://www.sebadyn.de
Mess- und Ortungstechnik GmbH Tel. +49-9544-68211
Dr.-Herbert-Iann-Str. 6 Fax. +49-9544-68202
D-96148 Baunach
Date: Fri, 16 Mar 2001 12:31:12 -0500 (EST)
From: Sylvain Robitaille <syl at alcor.concordia dot ca>
Subject: Re: Qpopper Security?
Jeffrey W. Mericle wrote:
> I occasionally receive qpopper error messages that look like the
> following. I believe that this is a hack attempt on my system. Is this
> an hack attempt? Was it successful? What exploit is this hacker using
> and is there anything I can do to close this hole?
>
> Mar 13 07:14:19 Morehead popper[26337]: EOF from at 209.217.53.174
> (209.217.53.174): [0] 29 (Illegal seek); 0 (Success)
> Mar 13 07:14:19 Morehead popper[26337]: (null) at 209.217.53.174
> (209.217.53.174): -ERR POP EOF or I/O Error: 29 (Illegal
> seek); 0 (Success)
A very quick glance through the source code suggests that the above
messages are generated *only* from the pop_exit() in popper.c, (lines
556 - 589 in qpopper-3.0.2, but probably around the same area in newer
versions), which suggests to me that whether or not it's an attempt at
unauthorized access, the pop daemon is indicating that it's terminating
the connection for this error, (read: not successful).
I would check if any of my regular users ever accessed the POP server
from the IP address in question, and if so I'd verify if the errors
aren't related to their connections. In any case, if no legitimate
users ever come from the offending IP address, (check for the block
belonging to the owner of the single address, of course), you might as
well cut them off entirely with tcp_wrappers. (that's probably
something you want to do for unresolvable IP addresses anyway.)
I hope that helps.
--
----------------------------------------------------------------------
Sylvain Robitaille syl at alcor.concordia dot ca
Systems analyst Concordia University
Instructional & Information Technology Montreal, Quebec, Canada
----------------------------------------------------------------------
Date: Fri, 16 Mar 2001 12:07:47 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Yet another time: hanging qpopper processes
At 12:28 PM +0100 3/16/01, Oliver Fleischmann wrote:
> Hello to everyone out there!
>
> Yet another time we have the same old problem we experience since
> ages with the current qpopper 3.1.2 on Linux (2.2.16 SMP).
>
> Here are the logs:
>
> Mar 16 08:50:33 chlothar popper[22179]: [drac]: login by ba3760 from host
> p3E9E2191.dip.t-dialin.net (62.158.33.145)
> Mar 16 08:55:01 chlothar popper[22179]: Stats: ba3760 15 2018046 0 0
> p3E9E2191.dip.t-dialin.net 62.158.33.145
> Mar 16 09:32:36 chlothar popper[23979]: [drac]: login by ba3760 from host
> p3E9E2005.dip.t-dialin.net (62.158.32.5)
> Mar 16 09:32:36 chlothar popper[23979]: Stats: ba3760 0 0 0 0
> p3E9E2005.dip.t-dialin.net 62.158.32.5
>
> Two times, everything was OK.
>
> Mar 16 09:35:32 chlothar popper[24123]: [drac]: login by ba3760 from host
> p3E9E2005.dip.t-dialin.net (62.158.32.5)
> Mar 16 09:35:34 chlothar popper[24124]: I/O Error from ba3760 at
> 62.158.32.5 (p3E9E2005.dip.t-dialin.net): [-1] 104 (Connection reset by
> peer); 0 (Success)
>
> The connection got interrupted somehow.
>
> Mar 16 09:35:45 chlothar popper[24129]: ba3760 at
> p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
> /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
>
> Now he can't log in any more:
>
> Mar 16 09:36:14 chlothar popper[24156]: ba3760 at
> p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
> /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
> Mar 16 09:36:27 chlothar popper[24169]: ba3760 at
> p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
> /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
> Mar 16 11:25:57 chlothar popper[29214]: ba3760 at
> p3E9E214E.dip.t-dialin.net (62.158.33.78): -ERR [IN-USE]
> /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
> Mar 16 11:27:00 chlothar popper[29261]: ba3760 at
> p3E9E214E.dip.t-dialin.net (62.158.33.78): -ERR [IN-USE]
> /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
>
> The qpopper-process (PID 24123) was still laying around at this time,
> as well as the .ba3760.pop - lock-file. Killing it with -HUP does nothing,
> I need to use -TERM, which removes the process from the table, but
> doesn't clean up the lock file. So I have to clean up myself.
>
> We are experiencing this every now and then, and only with some
> users. But those few users trigger the problem almost every day. At
> least one of them used Microsoft Outlook (don't know which version).
>
> Do I need to go for another POP3 server software? Is there still any
> ongoing development for the free version of qpopper?
>
> Sincerely,
> Oliver Fleischmann
>
> --
> Oliver Fleischmann fleischmann.o at sebadyn dot de
> Seba Dynatronic http://www.sebadyn.de
> Mess- und Ortungstechnik GmbH Tel. +49-9544-68211
> Dr.-Herbert-Iann-Str. 6 Fax. +49-9544-68202
> D-96148 Baunach
Next time it happens, can you get a trace of system calls on the hung
stack? This is done by running the system trace facility. This
differs depending on the flavor of Unix. On Solaris it is truss(1);
on Linux it is strace(1). Other platforms may have one of these or
something else. Usually a 'man -k trace' shows it. For example, on
Solaris, if the hung stack is pid 1234, use 'truss -p 1234 -o
truss-out'
It would also be helpful to enable debug tracing in Qpopper.
To enable tracing in Qpopper:
1. Do a 'make clean'
2. Re-run ./configure, adding '--enable-debugging'.
3. Edit the inetd.conf line for Qpopper, adding '-d' or '-t tracefile'.
4. Send inetd a HUP signal.
This causes detailed tracing to be written to the syslog (if you used
'-d') or to the file specified as 'tracefile'.
Date: Fri, 16 Mar 2001 12:22:23 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Qpopper Security?
At 9:43 AM -0500 3/15/01, Jeff Mericle wrote:
> I occasionally receive qpopper error messages that look like the
> following. I believe that this is a hack attempt on my system. Is this
> an hack attempt? Was it successful? What exploit is this hacker using
> and is there anything I can do to close this hole?
>
> Mar 13 07:14:19 Morehead popper[26337]: EOF from at 209.217.53.174
> (209.217.53.174): [0] 29 (Illegal seek); 0 (Success)
> Mar 13 07:14:19 Morehead popper[26337]: (null) at 209.217.53.174
> (209.217.53.174): -ERR POP EOF or I/O Error: 29 (Illegal
> seek); 0 (Success)
See the FAQ: <http://www.eudora.com/qpopper/faq.html#IO.ERR>
This is harmless. It generally does not indicate a hack attempt.
Even if it did, Qpopper 3.1.2 is in good shape.
From: "Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Date: Sat, 17 Mar 2001 13:36:23 +0100
Subject: Re: Yet another time: hanging qpopper processes
-----BEGIN PGP SIGNED MESSAGE-----
> At 12:28 PM +0100 3/16/01, Oliver Fleischmann wrote:
> > Mar 16 09:35:45 chlothar popper[24129]: ba3760 at
> > p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
> > /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
> >
> > Now he can't log in any more:
> > The qpopper-process (PID 24123) was still laying around at this time,
> > as well as the .ba3760.pop - lock-file. Killing it with -HUP does nothing,
> > I need to use -TERM, which removes the process from the table, but
> > doesn't clean up the lock file. So I have to clean up myself.
> >
> > We are experiencing this every now and then, and only with some
> > users. But those few users trigger the problem almost every day. At
> > least one of them used Microsoft Outlook (don't know which version).
> >
> > Do I need to go for another POP3 server software? Is there still any
> > ongoing development for the free version of qpopper?
> Next time it happens, can you get a trace of system calls on the hung
> stack? This is done by running the system trace facility. This
> differs depending on the flavor of Unix. On Solaris it is truss(1);
> on Linux it is strace(1). Other platforms may have one of these or
> something else. Usually a 'man -k trace' shows it. For example, on
> Solaris, if the hung stack is pid 1234, use 'truss -p 1234 -o
> truss-out'
I did strace on a hanging qpopper-process in an very early state (still
running as user root, so the user has not authenticated yet):
read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
- --- SIGHUP (Hangup) ---
rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
SA_RESTART|0x4000000}, 8) = 0
sigreturn() = ? (mask now [ALRM])
read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
- --- SIGHUP (Hangup) ---
rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
SA_RESTART|0x4000000}, 8) = 0
sigreturn() = ? (mask now [ALRM])
read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
- --- SIGTERM (Terminated) ---
If I just do strace on the process, it sits in "read(0, " forever. I then
did a "kill -HUP" for two times an finally a "kill" on the process while
running strace.
Processes hanging in a later state show the same strace output, as far as I
remember.
> It would also be helpful to enable debug tracing in Qpopper.
>
> To enable tracing in Qpopper:
>
> 1. Do a 'make clean'
> 2. Re-run ./configure, adding '--enable-debugging'.
> 3. Edit the inetd.conf line for Qpopper, adding '-d' or '-t tracefile'.
> 4. Send inetd a HUP signal.
>
> This causes detailed tracing to be written to the syslog (if you used
> '-d') or to the file specified as 'tracefile'.
I have a qpopper with debug compiled in running on a different port number
and try to persuade the critical users to use that port.
Thank you very much for your help!
Regards
Oliver
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--
Oliver Fleischmann EMail: ogf at bnv-bamberg dot de
Bamberg, Germany HamRadio: DL8NEG
Date: Sat, 17 Mar 2001 09:44:29 -0800
From: "Eric B. Leslie" <repetio at bentonsystems dot com>
Subject:
----------984851069
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
I'm an intermediate Linux user and I have a very low volume email server to which I'm having trouble. I have migrated to RH7 when it first came out with little or no trouble. I had a lot of trouble with people hacking into my system and I wanted to
beef up security. I'm trying to implement apop and been having a world of trouble.
I'm having trouble with xinetd. I'm missing something because it's not accepting connections on port 110. I have a file named pop3 in it's folder with the following contents:
service pop3
{
socket_type = stream
protocol = tcp
wait = no
user = root
server = /usr/local/lib/popper
server_args = qpopper -s
port = 110
}
I've restarted xinetd. Do I need to add a line to etc/services? I not sure if it's xinetd or apop or both that aren't setup correctly. Any ideas? Thanks!
-Eric Leslie
----------984851069--
Subject: dracauth not found
Date: Sat, 17 Mar 2001 22:10:55 -0600 (CST)
From: al914479 at ucol dot mx
I'm trying to enable DRAC (version 1.11) support in Qpopper 3.1.2 but configure
doesn't find the drac library. These are the options I used:
# ./configure --enable-temp-drop-dir=/var/tmp --enable-specialauth
--with-popuid=pop --enable-drac=/usr/local/drac/lib
...
Temporary drop files are in: /var/tmp
Compiling in DRAC support
System name: SunOS; System version: 5.7
Set OS_DEFS = " -DSOLARIS2 -DSPEC_POP_AUTH -DGNU_PASS -DNO_GETLINE
-DCONTENT_LENGTH=1 -DUNIX"
...
checking for crypt in -lcrypt... yes
checking for dracauth in -ldrac... no
Can't use DRAC: dracauth not found in -ldrac
# ls -l /usr/local/drac/lib
-rwxr-xr-x 1 bin bin 148420 Mar 16 13:31 libdrac.a
Anyone been through this that could give me a hint?
Thanks in advance.
Yadi
Date: Sun, 18 Mar 2001 21:40:12 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Yet another time: hanging qpopper processes
At 1:36 PM +0100 3/17/01, Oliver Fleischmann wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
>
>> At 12:28 PM +0100 3/16/01, Oliver Fleischmann wrote:
>
>> > Mar 16 09:35:45 chlothar popper[24129]: ba3760 at
>> > p3E9E2005.dip.t-dialin.net (62.158.32.5): -ERR [IN-USE]
>> > /var/spool/mail/.ba3760.pop lock busy! Is another session active? (11)
>> >
>> > Now he can't log in any more:
>
>> > The qpopper-process (PID 24123) was still laying around at this time,
>> > as well as the .ba3760.pop - lock-file. Killing it with -HUP
>> does nothing,
>> > I need to use -TERM, which removes the process from the table, but
>> > doesn't clean up the lock file. So I have to clean up myself.
>> >
>> > We are experiencing this every now and then, and only with some
>> > users. But those few users trigger the problem almost every day. At
>> > least one of them used Microsoft Outlook (don't know which version).
>> >
>> > Do I need to go for another POP3 server software? Is there still any
>> > ongoing development for the free version of qpopper?
>
>> Next time it happens, can you get a trace of system calls on the hung
>> stack? This is done by running the system trace facility. This
>> differs depending on the flavor of Unix. On Solaris it is truss(1);
>> on Linux it is strace(1). Other platforms may have one of these or
>> something else. Usually a 'man -k trace' shows it. For example, on
>> Solaris, if the hung stack is pid 1234, use 'truss -p 1234 -o
>> truss-out'
>
> I did strace on a hanging qpopper-process in an very early state (still
> running as user root, so the user has not authenticated yet):
>
> read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> - --- SIGHUP (Hangup) ---
> rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> SA_RESTART|0x4000000}, 8) = 0
> rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> SA_RESTART|0x4000000}, 8) = 0
> sigreturn() = ? (mask now [ALRM])
> read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> - --- SIGHUP (Hangup) ---
> rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> SA_RESTART|0x4000000}, 8) = 0
> rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> SA_RESTART|0x4000000}, 8) = 0
> sigreturn() = ? (mask now [ALRM])
> read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> - --- SIGTERM (Terminated) ---
>
> If I just do strace on the process, it sits in "read(0, " forever. I then
> did a "kill -HUP" for two times an finally a "kill" on the process while
> running strace.
I am confused. Are you running Qpopper in standalone mode? If not,
a HUP should cause it to clean up and go away. Also, if Qpopper is
waiting on user input then an strace(1) will of course show it
waiting on a 'read(0'. It should stay there until input arrives or
the timer expires.
>
> Processes hanging in a later state show the same strace output, as far as I
> remember.
What I'd like to see is the strace(1) for a process that has reported
the error and yet not gone away.
>
>> It would also be helpful to enable debug tracing in Qpopper.
>>
>> To enable tracing in Qpopper:
>>
>> 1. Do a 'make clean'
>> 2. Re-run ./configure, adding '--enable-debugging'.
>> 3. Edit the inetd.conf line for Qpopper, adding '-d' or '-t tracefile'.
>> 4. Send inetd a HUP signal.
>>
>> This causes detailed tracing to be written to the syslog (if you used
>> '-d') or to the file specified as 'tracefile'.
>
> I have a qpopper with debug compiled in running on a different port number
> and try to persuade the critical users to use that port.
That would be helpful, thank you.
From: "Oliver Fleischmann" <fleischmann.o at sebadyn dot de>
Date: Mon, 19 Mar 2001 07:58:46 +0100
Subject: Re: Yet another time: hanging qpopper processes
> > I did strace on a hanging qpopper-process in an very early state (still
> > running as user root, so the user has not authenticated yet):
> >
> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> > - --- SIGHUP (Hangup) ---
> > rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> > SA_RESTART|0x4000000}, 8) = 0
> > rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> > SA_RESTART|0x4000000}, 8) = 0
> > sigreturn() = ? (mask now [ALRM])
> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> > - --- SIGHUP (Hangup) ---
> > rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> > SA_RESTART|0x4000000}, 8) = 0
> > rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000}, {0x80505a0, [],
> > SA_RESTART|0x4000000}, 8) = 0
> > sigreturn() = ? (mask now [ALRM])
> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be restarted)
> > - --- SIGTERM (Terminated) ---
> >
> > If I just do strace on the process, it sits in "read(0, " forever. I then
> > did a "kill -HUP" for two times an finally a "kill" on the process while
> > running strace.
>
> I am confused. Are you running Qpopper in standalone mode? If not,
> a HUP should cause it to clean up and go away. Also, if Qpopper is
> waiting on user input then an strace(1) will of course show it
> waiting on a 'read(0'. It should stay there until input arrives or
> the timer expires.
We are running qpopper via inetd. The HUP obviously does not make it
clean up. That process was at least a day old or so, I don't remember
the exact time. I'm sure there is no user connected any more, so there
will never arrive any input. If I don't kill the process, it will stay forever!
The fact is, these strange hangs occur not only after the user has
logged in with user/pass, but sometimes (even more often) also before
the user is authenticated and the spool file is locked.
> > Processes hanging in a later state show the same strace output, as far as I
> > remember.
>
> What I'd like to see is the strace(1) for a process that has reported
> the error and yet not gone away.
As soon as it happens again, I will send the information.
To make it clearer, the IN-USE error message is not created by the
hanging qpopper, but by another qpopper if the users tries to fetch mail
the next time.
Regards,
Oliver
--
Oliver Fleischmann fleischmann.o at sebadyn dot de
Seba Dynatronic http://www.sebadyn.de
Mess- und Ortungstechnik GmbH Tel. +49-9544-68211
Dr.-Herbert-Iann-Str. 6 Fax. +49-9544-68202
D-96148 Baunach
Date: Mon, 19 Mar 2001 03:50:19 -0500 (EST)
From: James Ralston <qralston+ml.qpopper at andrew.cmu dot edu>
Subject: Re: your mail
On Sat, 17 Mar 2001, Eric B. Leslie wrote:
> I'm having trouble with xinetd. I'm missing something because it's
> not accepting connections on port 110. I have a file named pop3 in
> it's folder with the following contents:
>
> service pop3
> {
> socket_type = stream
> protocol = tcp
> wait = no
> user = root
> server = /usr/local/lib/popper
> server_args = qpopper -s
> port = 110
> }
I'd suggest this instead:
# default: on
# Pop3 Service
service pop3
{
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/local/lib/popper
server_args = qpopper -s
disable = no
}
That way, you can manage it with chkconfig:
# chkconfig --list pop3
# chkconfig pop3 on
# chkconfig pop3 off
> I've restarted xinetd. Do I need to add a line to etc/services?
It should already be there under RH7--you might want to double-check
it.
--
James Ralston, Information Technology
Software Engineering Institute
Carnegie Mellon University, Pittsburgh, PA, USA
Date: Mon, 19 Mar 2001 09:02:52 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Yet another time: hanging qpopper processes
At 7:58 AM +0100 3/19/01, Oliver Fleischmann wrote:
> > > I did strace on a hanging qpopper-process in an very early
> state (still
>> > running as user root, so the user has not authenticated yet):
>> >
>> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be
>> restarted)
>> > - --- SIGHUP (Hangup) ---
>> > rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000},
>> {0x80505a0, [],
>> > SA_RESTART|0x4000000}, 8) = 0
>> > rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000},
>> {0x80505a0, [],
>> > SA_RESTART|0x4000000}, 8) = 0
>> > sigreturn() = ? (mask now [ALRM])
>> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be
>> restarted)
>> > - --- SIGHUP (Hangup) ---
>> > rt_sigaction(SIGHUP, {0x80505a0, [], SA_RESTART|0x4000000},
>> {0x80505a0, [],
>> > SA_RESTART|0x4000000}, 8) = 0
>> > rt_sigaction(SIGPIPE, {0x80505a0, [], SA_RESTART|0x4000000},
>> {0x80505a0, [],
>> > SA_RESTART|0x4000000}, 8) = 0
>> > sigreturn() = ? (mask now [ALRM])
>> > read(0, 0xbfffd68c, 1) = ? ERESTARTSYS (To be
>> restarted)
>> > - --- SIGTERM (Terminated) ---
>> >
>> > If I just do strace on the process, it sits in "read(0, "
>> forever. I then
>> > did a "kill -HUP" for two times an finally a "kill" on the process while
>> > running strace.
>>
>> I am confused. Are you running Qpopper in standalone mode? If not,
>> a HUP should cause it to clean up and go away. Also, if Qpopper is
>> waiting on user input then an strace(1) will of course show it
>> waiting on a 'read(0'. It should stay there until input arrives or
>> the timer expires.
>
> We are running qpopper via inetd. The HUP obviously does not make it
> clean up. That process was at least a day old or so, I don't remember
> the exact time. I'm sure there is no user connected any more, so there
> will never arrive any input. If I don't kill the process, it will
> stay forever!
>
> The fact is, these strange hangs occur not only after the user has
> logged in with user/pass, but sometimes (even more often) also before
> the user is authenticated and the spool file is locked.
>
>> > Processes hanging in a later state show the same strace output,
>> as far as I
>> > remember.
>>
>> What I'd like to see is the strace(1) for a process that has reported
>> the error and yet not gone away.
>
> As soon as it happens again, I will send the information.
>
> To make it clearer, the IN-USE error message is not created by the
> hanging qpopper, but by another qpopper if the users tries to fetch mail
> the next time.
Yes, but I thought the original pop session ended with Qpopper
reporting a POP EOF or similar error.
From: "Kenneth Porter" <shiva at well dot com>
Date: Mon, 19 Mar 2001 17:49:44 -0800
Subject: Re: dracauth not found
On Sat, 17 Mar 2001 22:10:55 -0600 (CST), al914479 at ucol dot mx wrote:
>--with-popuid=pop --enable-drac=/usr/local/drac/lib
>checking for dracauth in -ldrac... no
>Can't use DRAC: dracauth not found in -ldrac
The latter message comes when the compiler trys to build a test program
that attempts to link to the dracauth routine. If this fails, it means
the library paths are wrong. The default location for libdrac.a is not
in the default library path. Either amend your library path before
running configure and make, or move libdrac to a directory already in
your library path.
Randall, any idea why the path specified to the configure command is
not used to find the library?
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
Subject: Re: dracauth not found
Date: Tue, 20 Mar 2001 12:53:17 -0600 (CST)
From: al914479 at ucol dot mx
Quoting Randall Gellens <randy at qualcomm dot com>:
> At 5:49 PM -0800 3/19/01, Kenneth Porter wrote:
>
> > On Sat, 17 Mar 2001 22:10:55 -0600 (CST), al914479 at ucol dot mx wrote:
> >
> >>--with-popuid=pop --enable-drac=/usr/local/drac/lib
> >
> >>checking for dracauth in -ldrac... no
> >>Can't use DRAC: dracauth not found in -ldrac
> >
> > Randall, any idea why the path specified to the configure command is
> > not used to find the library?
>
> It is. Whatever you pass to ./configure gets added to the compile
> options. I don't know why it failed.
Hi all; thank you for your replies.
Yadira
> Yadi: try 'fgrep -i drac configure' and let me know what it says.
root at host:/opt/utils/qpopper3.1 dot 2# fgrep -i drac configure
--enable-drac=lib-path Compile in DRAC support"
# Check whether --enable-drac or --disable-drac was given.
if test "${enable_drac+set}" = set; then
enableval="$enable_drac"
dracauth="$enableval"
dracauth="no"
if test "$dracauth" != "no"; then
echo "$ac_t""Compiling in DRAC support" 1>&6
#define DRAC_AUTH 1
if test "$dracauth" != "yes"; then
LIBS="$LIBS -L$dracauth -ldrac"
LIBS="$LIBS -ldrac"
if test "$dracauth" != "no"; then
echo $ac_n "checking for dracauth in -ldrac""... $ac_c" 1>&6
echo "configure:3174: checking for dracauth in -ldrac" >&5
ac_lib_var=`echo drac'_'dracauth | sed 'y%./+-%__p_%'`
LIBS="-ldrac $LIBS"
char dracauth();
dracauth()
ac_tr_lib=HAVE_LIB`echo drac | sed -e 's/[^a-zA-Z0-9_]/_/g' \
LIBS="-ldrac $LIBS"
echo "$ac_t""Can't use DRAC: dracauth not found in -ldrac" 1>&6;exit 1
From: "Nickolas Ray Ellson" <grimm at nickellson dot com>
Date: Tue, 20 Mar 2001 20:49:07 -0800
Subject: Qpopper 3.1.2 on RH7.0 lags?
I am setting up Qpopper on a RH7.0 system and I am noticing a series
of delays as qpopper connects, and does password checks.
Root:/root> telnet 127.0.0.1 110
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
(exactly 10 second delay)
+OK QPOP (version 3.1.2) at localhost.localdomain starting.
<7287.985149688 at localhost dot localdomain>
I have never used RH7.0 or this new xinetd.d directory for starting
daemons. Is this delay from qpopper or is this from RH7.0? I ask
because the time lag is timing out most of my user's mail apps.
qpopper never used to do this, but unfortunately I have changed both
OS Revisions and Qpopper revisions in the same step.
I used the following options to ./configure in this order (on one
line ofcourse)
--enable-nonauth-file=/etc/mail/qpop-deny
--enable-auth-file=/etc/mail/qpop-allow
--with-popuid=pop
--enable-apop=/etc/mail/apop.auth
--enable-specialauth
I am also noticing that I get bad password messages from any NON-APOP
user. As soon as I set up the user with popauth, they can log in
about 50% of the time.
Thanks for any pointers!
Nick
--
"Seek first to understand, then be understood"
Nick Ellson - CNA, CCNA
From: "Kenneth Porter" <shiva at well dot com>
Date: Tue, 20 Mar 2001 21:13:39 -0800
Subject: Re: Qpopper 3.1.2 on RH7.0 lags?
On Tue, 20 Mar 2001 20:49:07 -0800, Nickolas Ray Ellson wrote:
>I am setting up Qpopper on a RH7.0 system and I am noticing a series
>of delays as qpopper connects, and does password checks.
>qpopper never used to do this, but unfortunately I have changed both
>OS Revisions and Qpopper revisions in the same step.
Do you have reverse DNS checks turned on? If the client lacks a PTR
record in the DNS, you might get these delays. Is qpopper reporting
anything interesting in the logfiles? What's in your xinetd
configuration for pop3? Anything interesting happening with
tcp-wrappers (hosts.allow and hosts.deny)?
>I am also noticing that I get bad password messages from any NON-APOP
>user.
What about PAM? Non-APOP users will be authenticated with PAM. Do you
have an /etc/pam.d/pop3 file?
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
From: "Nickolas Ray Ellson" <grimm at nickellson dot com>
Date: Tue, 20 Mar 2001 21:25:24 -0800
Subject: Re: Qpopper 3.1.2 on RH7.0 lags?
<sigh> I appologize folks,
I had a bad entry for DNS.. I spotted it when Apache couldn't resolve
it's server name. I fixed that and now qpopper responds very fast.
Though I am still experiencing the password issue below for users
without an APOP entry.
Nick
From: "Nickolas Ray Ellson" <grimm at nickellson dot com>
To: Subscribers of Qpopper <qpopper at lists.pensive dot org>
Date sent: Tue, 20 Mar 2001 20:49:07 -0800 Subject:
Qpopper 3.1.2 on RH7.0 lags? Priority: normal
> I am setting up Qpopper on a RH7.0 system and I am noticing a series
> of delays as qpopper connects, and does password checks.
>
>
> Root:/root> telnet 127.0.0.1 110
> Trying 127.0.0.1...
> Connected to 127.0.0.1.
> Escape character is '^]'.
> (exactly 10 second delay)
> +OK QPOP (version 3.1.2) at localhost.localdomain starting.
> <7287.985149688 at localhost dot localdomain>
>
> I have never used RH7.0 or this new xinetd.d directory for starting
> daemons. Is this delay from qpopper or is this from RH7.0? I ask
> because the time lag is timing out most of my user's mail apps.
> qpopper never used to do this, but unfortunately I have changed both
> OS Revisions and Qpopper revisions in the same step.
>
> I used the following options to ./configure in this order (on one
> line ofcourse)
>
> --enable-nonauth-file=/etc/mail/qpop-deny
> --enable-auth-file=/etc/mail/qpop-allow
> --with-popuid=pop
> --enable-apop=/etc/mail/apop.auth
> --enable-specialauth
>
> I am also noticing that I get bad password messages from any
> NON-APOP user. As soon as I set up the user with popauth, they can
> log in about 50% of the time.
>
> Thanks for any pointers!
>
> Nick
> --
> "Seek first to understand, then be understood"
>
> Nick Ellson - CNA, CCNA
>
------- End of forwarded message -------
--
"Seek first to understand, then be understood"
Nick Ellson - CNA, CCNA
Date: Tue, 20 Mar 2001 22:37:44 -0800
From: Qpopper Support <qpopper at qualcomm dot com>
Subject: Re: Qpopper 3.1.2 on RH7.0 lags?
At 8:49 PM -0800 3/20/01, Nickolas Ray Ellson wrote:
> --enable-nonauth-file=/etc/mail/qpop-deny
> --enable-auth-file=/etc/mail/qpop-allow
>
>
> I am also noticing that I get bad password messages from any NON-APOP
> user. As soon as I set up the user with popauth, they can log in
> about 50% of the time.
I notice you specify both an authfile and a nonauth file. Are you
sure you want to do that? That means that any user who isn't in the
auth file is rejected. Could that be the problem?
Try enabling debug tracing to see what Qpopper says is the problem.
To enable tracing in Qpopper:
1. Do a 'make clean'
2. Re-run ./configure, adding '--enable-debugging'.
3. Edit the inetd.conf line for Qpopper, adding '-d' or '-t tracefile'.
4. Send inetd a HUP signal.
This causes detailed tracing to be written to the syslog (if you used
'-d') or to the file specified as 'tracefile'.
Date: Wed, 21 Mar 2001 10:09:58 +0100
From: hypnose at t-online dot de (guenter wessling)
Subject: Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
Hi, all.
>What about PAM? Non-APOP users will be authenticated with PAM. Do you
>have an /etc/pam.d/pop3 file?
>
>Ken
>mailto:shiva at well dot com
>
Now I´m confused. Non-APOP automatically leads to PAM ?
Since when is this ?
gw
guenter wessling (hypnose at t-online dot de)
From: "Kenneth Porter" <shiva at well dot com>
Date: Wed, 21 Mar 2001 02:16:15 -0800
Subject: Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
On Wed, 21 Mar 2001 10:09:58 +0100, guenter wessling wrote:
>Now I m confused. Non-APOP automatically leads to PAM ?
>Since when is this ?
Sorry, I'm using Red Hat with PAM enabled for qpopper and forgot that
it's a separate option. With just --enable-specialauth, qpopper looks
for shadow passwords (as I read the documentation).
Something to try: Attempt to log into qpopper with a non-APOP user, to
elicit the failure. Then immediately go to /var/log and enter "ls -lt |
head". The files at the top of the list will be the latest ones
written, and you can run tail on each one to see if there were any
authentication failures logged by the system authentication mechanisms.
That should give a clue as to exactly what is failing.
Ken
mailto:shiva at well dot com
http://www.sewingwitch.com/ken/
[If answering a mailing list posting, please don't cc me your reply. I'll take my answer on the list.]
Date: Wed, 21 Mar 2001 12:13:22 +0100
From: Alexis Albinet <albinet at fluxus dot net>
Subject: access rights problems on pop temporary file
Hi use Qpopper 3.1.2 on two hosts with Solaris 2.6 operating system.
Qpopper is compiled with temp-drop-dir, server mode on the first system
and with the same options plus standalone on the second.
Access rights for /var/spool/poptemp are like this :
drwxrwxr-x 2 root mail 512 Mar 21 12:04
/var/spool/poptemp/
On the second host (which is compiled with standalone) , I have the
following error :
Mar 21 11:18:49 gemination /opt/sbin/popper[5133]: albinet at 127.0.0.1
(127.0.0.1): -ERR [SYS/TEMP] Failed to create
/var/spool/poptemp/.albinet.pop with uid 922, gid 0. Change
permissions.
I can correct this if I modify access rights with tiny bit but I would
like understand why I got this error.
Also, I use the same Qpopper with the same options (servermode,
tempdropdir and standalone) on FreeBSD 3.3. Access rights are drwxrwxr-x
for /var/spool/poptemp directory and it is running fine...
Someone could explain me ?
Thanks in advance,
Alexis Albinet
Date: Wed, 21 Mar 2001 15:54:43 +0100
From: Alexis Albinet <albinet at fluxus dot net>
Subject: Re: access rights problems on pop temporary file
It was just because owner and group of poptemp directory was not identical
with /var/mail owner/group.
Alexis Albinet
Alexis Albinet wrote:
> Hi use Qpopper 3.1.2 on two hosts with Solaris 2.6 operating system.
>
> Qpopper is compiled with temp-drop-dir, server mode on the first system
> and with the same options plus standalone on the second.
>
> Access rights for /var/spool/poptemp are like this :
> drwxrwxr-x 2 root mail 512 Mar 21 12:04
> /var/spool/poptemp/
>
> On the second host (which is compiled with standalone) , I have the
> following error :
>
> Mar 21 11:18:49 gemination /opt/sbin/popper[5133]: albinet at 127.0.0.1
> (127.0.0.1): -ERR [SYS/TEMP] Failed to create
> /var/spool/poptemp/.albinet.pop with uid 922, gid 0. Change
> permissions.
>
> I can correct this if I modify access rights with tiny bit but I would
> like understand why I got this error.
>
> Also, I use the same Qpopper with the same options (servermode,
> tempdropdir and standalone) on FreeBSD 3.3. Access rights are drwxrwxr-x
> for /var/spool/poptemp directory and it is running fine...
>
> Someone could explain me ?
>
> Thanks in advance,
>
> Alexis Albinet
Date: Wed, 21 Mar 2001 10:34:15 -0500 (EST)
From: Joseph Peterson <jpeterson at qtm dot net>
Subject: remove
remove please jay at qtm dot net jpeterson at qtm dot net
thanks
---------------------------- System Administrator
J Peterson | Quantum Connections, LLC
noc at qtm dot net | Your Full-Service Internet Provider
888-926-4242 | ---> http://www.qtm.net <---
We the unwilling
Led by the unknowing
Are attempting to do everything with nothing
We have been doing so much with so little for so long
We are now capable of doing anything with nothing.
From: "Nickolas Ray Ellson" <grimm at nickellson dot com>
Date: Wed, 21 Mar 2001 18:24:03 -0800
Subject: Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
I will try to watch the logs here in a bit, see what is happening.
From: "Kenneth Porter" <shiva at well dot com>
To: Subscribers of Qpopper <qpopper at lists.pensive dot org>
Copies to: "guenter wessling" <hypnose at t-online dot de>
Date sent: Wed, 21 Mar 2001 02:16:15 -0800
Priority: Normal
Subject: Re: Qpopper 3.1.2 on RH7.0 lags? -- apop /pam
> On Wed, 21 Mar 2001 10:09:58 +0100, guenter wessling wrote:
>
> >Now I m confused. Non-APOP automatically leads to PAM ?
> >Since when is this ?
>
> Sorry, I'm using Red Hat with PAM enabled for qpopper and forgot that
> it's a separate option. With just --enable-specialauth, qpopper looks
> for shadow passwords (as I read the documentation).
>
> Something to try: Attempt to log into qpopper with a non-APOP user, to
> elicit the failure. Then immediately go to /var/log and enter "ls -lt
> | head". The files at the top of the list will be the latest ones
> written, and you can run tail on each one to see if there were any
> authentication failures logged by the system authentication
> mechanisms. That should give a clue as to exactly what is failing.
>
> Ken
> mailto:shiva at well dot com
> http://www.sewingwitch.com/ken/
> [If answering a mailing list posting, please don't cc me your reply.
> I'll take my answer on the list.]
>
>
--
"Seek first to understand, then be understood"
Nick Ellson - CNA, CCNA
Date: Thu, 22 Mar 2001 11:03:31 +0000
From: Michael Rawls <mrawls at dancris dot com>
Subject: Outlook express not deleting mail from server
Is anyone else having problems with users of Outlook Express (version
5.00.2615.200) not deleting email from the server even though the "Leave a
copy of mail on server" box is NOT checked?
Michael Rawls - Senior System Administrator for Dancris Telecom
Date: Thu, 22 Mar 2001 13:29:10 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: dracauth not found
Just in case anyone else runs into this, using '--with-drac'
instead of '--enable-drac' fixed the problem.
From: "InvictaNet Customer Support" <support at invictanet.co dot uk>
Subject: RE: Outlook express not deleting mail from server
Date: Fri, 23 Mar 2001 09:42:14 -0000
Only if messages are not fully downloaded before disconnection from the
server.
Martyn Routley
-----------------------------------------------------
InvictaNet - The Internet in Plain English, Guaranteed
http://www.invictanet.co.uk <http://www.invictanet.co.uk>
info at invictanet.co.uk <mailto:info at invictanet dot co dot uk>
phone: 08707 440180
fax: 08707 440181
------------------------------------------------------
-----Original Message-----
From: Michael Rawls [mailto:mrawls at dancris dot com]
Sent: Thursday, March 22, 2001 11:04 AM
To: Subscribers of Qpopper
Subject: Outlook express not deleting mail from server
Is anyone else having problems with users of Outlook Express (version
5.00.2615.200) not deleting email from the server even though the "Leave a
copy of mail on server" box is NOT checked?
Michael Rawls - Senior System Administrator for Dancris Telecom
From: John Jones <JohnJ at mindquake dot com>
Subject: Mail repeatedly downloads messages
Date: Fri, 23 Mar 2001 09:17:26 -0800
I have been experiencing a problem over the last two weeks that is really
starting to annoy me, and I cannot locate the reason for it.
I have a RH7.0 box running Qpopper 3.1 at home. I pop mail from this box
both at home and at work, both clients running continuously from Outlook
2000. Both clients are set to leave mail on the server for 3 days.
Yet, every morning, when I come into work, my Outlook has downloaded
already-read mail again, resulting in about 120 emails that I have to
delete. I am getting sick of this, and cannot figure out the reason for it.
Anyone have any clues? Would some sort of network slowdown at work, which
we have due to network backups at around 3am, cause this or contribute?
Any help would be appreciated.
Date: Fri, 23 Mar 2001 14:32:49 -0800
From: Randall Gellens <randy at qualcomm dot com>
Subject: Re: Mail repeatedly downloads messages
At 9:17 AM -0800 3/23/01, John Jones wrote:
> I have been experiencing a problem over the last two weeks that is really
> starting to annoy me, and I cannot locate the reason for it.
>
> I have a RH7.0 box running Qpopper 3.1 at home. I pop mail from this box
> both at home and at work, both clients running continuously from Outlook
> 2000. Both clients are set to leave mail on the server for 3 days.
>
> Yet, every morning, when I come into work, my Outlook has downloaded
> already-read mail again, resulting in about 120 emails that I have to
> delete. I am getting sick of this, and cannot figure out the reason for it.
>
> Anyone have any clues? Would some sort of network slowdown at work, which
> we have due to network backups at around 3am, cause this or contribute?
>
> Any help would be appreciated.
You could try another email client, to see if the problem is only
with Outlook. (For example, Eudora at <http://www.eudora.com>).
You could also try enabling tracing in Outllook and/or Qpopper, or
even use a packet trace utility (which would help show dropped
packets and such).
--
Randall Gellens
Opinions are personal; facts are suspect; I speak for myself only
-------------- Randomly-selected tag: ---------------
"Lu fen dan, biaomiam guang" -- A popular Chinese saying that
figuratively means the government has patched over problems by
constructing nice new buildings. Literally, it means, "Shiny on
the outside -- just like donkey droppings."
Last updated on 23 Mar 2001 by Pensive Mailing List Admin