On Fri, Oct 15, 2010 at 12:47:31PM -0700, Steve Jenkins wrote: > 2) My server (familyname.com) accepts the message because mya...@familyname > is a valid recipient that appears in my virtual aliases file, then forwards > the message (based on the info in that virtual aliases file) to my aunt's > actual email address of auntiemildredloveskitt...@cox.net > > 3) Cox.net rejects the mail because it's SPAM and sends it back to the > spoofed "sender": innoc...@victim.com, basically saying "your message to > mya...@familyname.com was rejected because of xyz reason"
No, when they REJECT a message, your server is left with the hot-potato, and sends the bounce. Bounces are sent by REJECTED MTAs not REJECTING MTAs, the latter never accept responsibility for the message. -- Viktor.