Thank you for your Help! I just kill the line define(`confAUTH_OPTIONS', `A') ,limit the auth mechs to define(`confAUTH_MECHANISMS', `LOGIN PLAIN') (TLS is working fine) and It works! Can I kill these lines now? FEATURE(`access_db',`hash -T<TMPF> -o /etc/mail/access.db')dnl FEATURE(`blacklist_recipients')dnl I don't need any access_db anymore because I want to send mails from all over the internet no matter what IP-Address I got. -- This is an email sent via the webforum on http://fcp.homelinux.org http://fcp.homelinux.org/modules/newbb/viewtopic.php?post_id=77401&topic_id=19054&forum=6#forumpost77401