YAHOO Spam Block
Ok...One of my customers had :fail: no such address set up as their default address. Some SPAMMER decided to bomb his domain with every possible name@his_domain.name This caused hundreds of failed address messages to return to sender. The senders were all phony yahoo addressess...
No I am getting this from some servers:
host mx1.mail.yahoo.com [64.156.215.5]: 421 VS5-MF Excessive unknown recipients - possible Open Relay http://help.yahoo.com/help/us/mail/spam/spam-18.html (#4.4.5)
Problem also is that page does not exists

This one was totally useless:
http://help.yahoo.com/help/us/mail/defer/defer-01.html
I love it, if you have several web servers, you are supposed to watch your logs for too many yahoo bounces, what world do they live in?
Just curious if anyone had this before. AOL is a dream to deal with compared...l