This bug can be closed. The hostname of my system was 'ubuntu-9.10'. A dot in the hostname seems to be a no go. Changed this in etc/postfix/mail.cf and the error is gone.
-- package postfix 2.6.5-3 failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 75 zur?ck https://bugs.launchpad.net/bugs/461416 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
