--- autoresponder.pl.orig 2006-04-02 23:10:08.000000000 +0200 +++ autoresponder.pl 2006-04-02 23:17:02.000000000 +0200 @@ -119,18 +119,18 @@ elsif($_ =~ /^Sender: <>\n$/){ $exitCause="1:$_"; } + elsif($_ =~ /^From: .*MAILER-DAEMON/i){ + $exitCause="2:$_"; + } + elsif($_ =~ /^From: .*Mail Delivery (Sub)?(system|service)/i){ + $exitCause="3:$_"; + } elsif($_ =~ /^From: (.*