mms_soap You can't unsub by sending an e-mail to the list...

...you have to do it from the same place you subscribed to the list:

http://mailman.xmission.com/cgi-bin/mailman/listinfo/soap

This link is at the bottom of every e-mail. Click on it, and go to the
"Unsubscribe" part of the page, near the bottom. Then just follow the
directions

HTH,
Bonnie in OR