Make sure that any mails generated by the system include some basic details of what is generating them and how to stop any future emails from the system.
A lot of spam complaints we get are from people who have forgotten that they actually subscribed to newsletters or simply can't see why they are getting a mail. You'd be amazed at how many people simply get their email address wrong!
hotmail.com - I've seen about 15 derivatives of that on orders and support tickets!! |