On 2012-05-08 15:22, Frank Elsner wrote: [About exim authenticating PLAIN and LOGIN against dovecot auth socket]
PLAIN Authentication works perfect, LOGIN gives
2012-05-08 15:08:43 login authenticator failed for xxxxxx.tu-berlin.de [130.149.X.YY]: 435 Unable to authenticate at present: authentication socket protocol error
This is just a guess since I'm not too good at dovecot, but could it be that you need to set at least "auth_mechanisms = plain login" your in dovecot config?
Regards /Jonas -- Jonas Eckerman http://www.truls.org/ -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
