[Dovecot] Dovecot login failing

[albinootje]

Richard Ellis wrote:

[getmail/dovecot/squirrelmail login failure]
> Looking in the logs, Dovecot appears to be trying to add a domain name
> against the login, instead of just checking that user against the UNIX
> logins of my machine.

can you provide "dovecot -n" output ?
and did something change ? did you installed extra squirrelmail-plugins ?
did you test it also with an email-client like mozilla thunderbird ?