[vchkpw] how can I see all error messages about pop3 service ?

[Bulend Kolay]

my server's pop3 service sometimes doesn't accept my emailusers'password and 
it reasks user and password.

if I reboot the server, the problem is solved.

my pop3.sh ;
/usr/local/bin/tcpserver -R -H -l 0 -c 1500 0 110 /var/qmail/bin/qmail-popup 
\

post.testdomain.com /var/qmail/vpopmail/bin/vchkpw
/var/qmail/bin/qmail-pop3d Maildir 21 

I don't use a softlimit ( like softlimit 4000 ). is there a default 
limit for pop3 service ?

But I couldn't see any error message about above problem.
I installed vpopmail with --enable-logging=y


first there must be a error message. How can I see it ?
how can I get rid of this problem ? 



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Re: [vchkpw] how can I see all error messages about pop3 service ?

[Wouter van der Schagt]

my server's pop3 service sometimes doesn't accept my emailusers'password 
and it reasks user and password.

if I reboot the server, the problem is solved.


I had this problem before, it occured when there were more than 50 domains 
on a server and the morercpthosts files was used in combination with the 
SMTP authentication patch.


quote
There's a patch available to that patch (or at least to patch 0.31 from that
patch) that addresses a bug when there's a failed SMTP AUTH attempt. If the
client attempts to send mail to a domain which is not listed in rcpthosts,
qmail-smtpd is unable to read morercpthosts.cdb. Instead, it sends 421
unable to read controls (#4.3.0) and drops the connection. It seems, a
wrong file descriptor is closed when using the morercpthosts cdb file. For
more information: http://tomclegg.net/qmail/#qmail-smtpd-auth   (point 6),
the direct link to the patch file is:
http://tomclegg.net/qmail/qmail-smtpd-auth-close3.patch
/quote

I'm not sure this helps. We have since shifted to Dovecot.

Goodluck,
- Wouter 



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