On Mon, 12 Apr 2004 22:59:24 -0400 Emma Jane Hogbin <emmajane at xtrinsic.com> wrote: > :0B: > * .*@xtrinsic.com.*: unknown user: > /dev/null Can you send a sample line which should be filtered, from the message source ? You don't need locking so you can just put ":0B" Alain