We have the same or a very similar issue on one Lucid server here. Each time I start sudo it immediately sends email looking like below. The binary garbage is different in each email sent. I have no mail_always set in /etc/sudoers nor /etc/sudoers.d/*
Version: 1.7.2p1-1ubuntu5.2 (the same with ubuntu5.1) To: r...@server.example.com From: myusern...@server.example.com Auto-Submitted: auto-generated Subject: *** SECURITY information for server *** Message-Id: <20100924111xxxxxx...@server.example.com> Date: Fri, 24 Sep 2010 13:12:42 +0200 (CEST) server : Sep 24 13:12:42 : myusername : °Éč -- Upstart and Sudo - Email for root https://bugs.launchpad.net/bugs/627472 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs