[Dovecot] Authenticate login failed: Unsupported authentication mechanism

[Timo Sirainen]

On 1.7.2005, at 02:24, Orchun Kolcu wrote:

> I just switched (or tried to) from UW-IMAP to dovecot. When I try to
> login through the telnet client I get:
> 1 NO Authentication failed and in the log I get:
> imap-login: Authenticate PLAIN failed: Unsupported authentication
> mechanism

This error happens if you haven't set "mechanisms = plain" in auth 
block in config file.

> Here's the auth setup from the conf:
> auth default {
>   mechanisms = plain
>   passdb = pam imap
>   userdb = passwd
>   user = root
> }

But this shows that you have set it, so it's a bit strange.. Do you 
have multiple auth blocks defined maybe?
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