Found it. There was no sasl inside the folder "filter.d" but [sasl] was defined on /etc/fail2ban/jail.local (don't know why though...). After commenting the [sasl] section, everything works.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1590491 Title: package fail2ban 0.9.3-1 failed to install/upgrade: η υποδιεργασία installed post-installation script επέστρεψε κατάσταση λάθους 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fail2ban/+bug/1590491/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
