[clug-talk] email authentication stopped

[bogi]

Maybe the key expired ?
On December 9, 2005 12:43, Shawn wrote:
> I'm banging my head against the wall on this one...  One of the mail
> systems I take care of has been working fine for months.  Today all of a
> sudden, nobody can authenticate and retrieve their mail.  I checked the
> logs and see this:
>
> Dec  9 11:46:40 [pop3d] Connection, ip=[::ffff:68.144.188.211]
> Dec  9 11:46:40 [pop3d] LOGIN FAILED, user=sgrover,
> ip=[::ffff:68.144.188.211] Dec  9 11:46:45 [pop3d] LOGOUT,
> ip=[::ffff:68.144.188.211]
> Dec  9 11:46:45 [pop3d] Disconnected, ip=[::ffff:68.144.188.211]
> Dec  9 11:46:47 [pop3d] Connection, ip=[::ffff:68.144.188.211]
> Dec  9 11:46:47 [pop3d] LOGIN FAILED, user=sgrover,
> ip=[::ffff:68.144.188.211] Dec  9 11:46:52 [pop3d] LOGOUT,
> ip=[::ffff:68.144.188.211]
> Dec  9 11:46:52 [pop3d] Disconnected, ip=[::ffff:68.144.188.211]
>
>
> but there is not much else in the logs that is useful.
>
> The system in question is a very basic Postfix, sasl2, courier-authlib
> system, (using courier-imap as well to provide the pop3 services).  I've
> restarted each of the services and the problem persists.  I updated Postfix
> and courier-authlib (they were a generation or two old), and still no luck.
>  I am able to send mail to the server, and from a console prompt verify the
> mail is there waiting.  I also verified I could send mail from a console
> (using mutt).  But trying to connect with POP3 keeps failing login.  On a
> lark, I even forced a password change for one of the shell accounts in
> question, still no luck.
>
> So, the problem appears to be with the courier-authlib set up, but this has
> been working for months, and just stopped with no changes to any config
> files (unless I've been hacked...).  Any tips on what else I could look at?
> Thanks.
>
> Shawn