[Dovecot] passdb pam and userdb passwd "Authentication failure" errors

Timo Sirainen tss at iki.fi
Wed Dec 8 01:41:24 EET 2010

On Sat, 2010-12-04 at 20:45 +0000, Mark Alan wrote:
>   passdb:
>     driver: pam
>   passdb:
>     driver: passwd-file
>     args: /etc/dovecot/passwd
>   userdb:
>     driver: passwd
>   userdb:
>     driver: static
>     args: uid=vmail gid=vmail home=/home/vmail/%u
> .../...
>   QUESTION 1: To avoid those Authentication failure errors should I
>   also comment out the passdb pam {...} and userdb passwd {...} blocks
>   in the main /etc/dovecot/dovecot.conf?


> I was thinking in something like:
> sudo sed -i '/passdb pam {/,/}/s/^/#/' /etc/dovecot/dovecot.conf
> sudo sed -i '/userdb passwd {/,/}/s/^/#/' /etc/dovecot/dovecot.conf

No idea if that works.

>   QUESTION 2: the final email arrives with an email header that
>   includes:
> Received: from desk.example.com (unknown [])
>  (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits))
>  (No client certificate requested)
>  by mail.example.com (Postfix) with ESMTPSA id F24707FE6D
>  for <example at example.com>; Sat,  4 Dec 2010 18:16:00 +0000  (WET)
>   Does this mean that I have SSL/TLS properly configured? The "No client
> certificate requested" is supposed to be there?

Not a Dovecot question, so I don't know. But my guess is that it means
client connected using TLS, but server didn't require a client to send a
client-side certificate. Very few people use client certs, so I don't
know why that would be explicitly mentioned there.

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