Kirk, Further to Sue's comment, you can only do harm by checking 'Refuse NULL <> Senders' if your mail server is connected to the public Internet. The Imail KB is far too forgiving on this point. Uncheck it and be a good citizen!
Sandy Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
