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Date: Thu, 13 Jul 2006 20:28:27 +0400
From: Solar Designer <>
Subject: Re: Suddenly, won't authenticate

On Thu, Jul 13, 2006 at 11:17:39AM -0500, James R. Mirick wrote:
> [root@...ux2600 ~]# ls -ld /var/spool/mail{,/jrm}
> drwxrwxr-x  2 root mail 4096 Jul 13 09:41 /var/spool/mail
> -rw-rw----  1 jrm  mail    1 Jul 13 09:41 /var/spool/mail/jrm

Thanks.  Please notice that the mailbox is not empty - its size is 1
byte, which is wrong.  Please empty it with the following command:

	> /var/spool/mail/jrm

(that is, redirect the "output" of "nothing" to it).  Then make sure
that its size is 0.

> Regarding other mailboxes, yes there are others and -- interestingly -- 
> ones that have never had mail will allow a login via telnet, ones that 
> have had mail cause failures.

It sounds like you have local deliveries setup incorrectly, resulting in
mailbox corruption.  Maybe your local deliveries and popa3d are not
configured to follow the same locking convention.  It may be
time-consuming to debug this problem via this mailing list.  If you
like, I can debug and fix the problem operating on your server over SSH,
provided that you compensate for my time.  Please contact me via private
e-mail if you're interested.

If this server does nothing more than e-mail, you might consider
re-installing it with Openwall GNU/*/Linux (Owl) - which has correctly
configured Postfix and popa3d available for use out of the box.

Alexander Peslyak <solar at>
GPG key ID: B35D3598  fp: 6429 0D7E F130 C13E C929  6447 73C3 A290 B35D 3598 - bringing security into open computing environments

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