Ebbe Hjorth wrote: > Aug 9 12:18:49 mail02 dovecot: auth(default): Authentication client trying > to connect to master socket
> Aug 9 12:18:49 mail02 postfix/smtpd[1356]: fatal: no SASL authentication > mechanisms > socket: > type: listen > client: > path: /var/run/dovecot/auth-client > mode: 432 > master: > path: /var/spool/postfix/private/auth > mode: 432 > user: postfix > group: postfix > Postfix needs to connect to the *client* socket not the *master* socket. At the end it should look like this: client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix