sendmail was driving me crazy today. It kept reporting low on space (SMTP-DAEMON needs 255 bytes + 100 blocks in /var/spool/mqueue), max avail: 0 with 80 GB free space in that directory.
Marco Fontani bei YAPC::EU 2012 - hot like hell:
The "enterprise operator" is described in the following POD: http://search.cpan.org/~book/perlsecret-1.001/lib/perlsecret.pod#Enterprise_()x!!...