[IMail Forum] Please Help with disabling "Already Subscirbed" Error Messages

[Tony Evers]

If someone is already subscribed to my list and they subscribe again, I DO 
NOT want them to get the message from the listserver that they are already 
subscribed. Is this possible?
Please visit http://www.ipswitch.com/support/mailing-lists.html 
to be removed from this list.