sudo mails are detected as bounce
Another kind of auto-generated mail, that should not get detected as bounce. But it really does not have lots of information to detect it as not a bounce:
Received: by host.example.com (sSMTP sendmail emulation); Wed, 26 Jul 2017 11:00:00 +0200
Date: Wed, 26 Jul 2017 11:00:00 +0200
From: user
To: root
Message-ID: <deadbeef@mail.example.com>
Subject: *** SECURITY information for host.example.com ***
Mime-Version: 1.0
Content-Type: text/plain;
charset=UTF-8
Content-Transfer-Encoding: 7bit
Auto-Submitted: auto-generated
host.example.com : Jul 26 11:00:00 : user : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/user ; USER=root ; COMMAND=/bin/su -