Couple solutions 1- if the domain uses its own ip, you block the ip address port 25 on your gateway router
otherwise, 2- I think you can use inboud rules and send all mail to @domain.com to :NUL To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
