From: Stephanie Wong <firstname.lastname@example.org>
Subject: Invalid E-mail addresses
Date: Sun, 7 Dec 1997 20:50:59 -0700 (MST)
Sometimes, I get mail returns for invalid E-mail addresses subscribed to this list. It is quite annoying sometimes when you keep on getting "Returned mail: Cannot send message within 3 days". Is there any software to stop this?