Apparently, this user prefers to keep an air of mystery about them.
3 Microsoft CRL URL's Aug 1 '13
2 Postfix: Modify sender address based on recipient Dec 13 '12
0 append $myorigin to localpart of 'from', append different domain to localpart of incomplete recipient address Nov 29 '12
-1 Linux Mail Server Architecture for bulk mailing Jun 12 '13