[Dovecot] Authentication listener configuration

[Rainer Frey]

On 29.11.2011, at 08:19, Rainer Frey wrote:

> Hi,
> 
> I'm wondering about the authentication listeners that dovecot uses. In many configurations I see:
> service auth {
> unix_listener auth-userdb {
> 
> Does any component of dovecot use this listener internally (lmtp, lda ...) and does that read the config and search for the listener, or is the exact name "auth-userdb" expected? Is this maybe dependent on the userdb? Which ones need it? And if I want to use postfix SMTP auth, should I define a second listener, or just re-configure that default one to postfix's needs?

I mean, specifically if I use ldaand/or lmtp as well ...

Thanks
Rainer