Authentication Error with Dovecot

[Christian Kivalo]

Am 18. April 2015 22:05:01 MESZ, schrieb Kevin Laurie <superinterstellar at gmail.com>:
>Hello,
>I have some email authentication error with dovecot.
>Could someone tell me what is the problem that is indicated below?
>Is it due to some plugin?
>
yes as the log says

>
>Apr 18 21:56:35 auth-worker(2057): Info: mysql(127.0.0.1): Connected
>to database vmail
>Apr 18 21:56:35 imap-login: Info: Login: user=<user at mydomain.net>,
>method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=2058, secured,
>session=<n/0fGAUUgwB/AAAB>
>Apr 18 21:56:35 imap: Error: Can't load plugin imap_acl_plugin: Plugin
>acl must be loaded also (you must set: mail_plugins=$mail_plugins acl)
you should load the acl plugin... seems the "acl" entry from your last mail is now missing.

-c