I think it was called Tagged Message Delivery Agent (TMDA)
http://www.shupp.org/toaster/?page=tmda
http://mla.libertine.org/tmda-users/2003-09/msg00396.html
tdma.net
tmda.net/tmda-cgi/index.html
http://www.squirrelmail.org/plugin_view.php?id=227
http://sourceforge.net/projects/tmda
Todd W
Hi,
You sent email to a bluebotte user. The service forces people that want to
send mail to thier users to opt in to being able to send mail.
http://www.bluebottle.com/
I wish I could convince all users to expect email to work like this.
Todd W.
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