Well … judge for yourself.
Yahoo/ATT and the other guys … you have a problem you need to address.
Worth noting: The following are the IP/nets we are blocking access to port 25.
AT&T/Yahoo: 18.104.22.168/24 22.214.171.124/24 DNSVR: 126.96.36.199 188.8.131.52 184.108.40.206
I do not believe in RBLs. Likely we are losing mail. But then again, the good folks at these sites did not seem to do more than auto-acknowledge my concerns over the use of their infrastructure to DoS us.
Maybe we need a “badly behaving” list. Not an RBL. But a list of sites who simply don’t listen to requests to fix their DoSes. Simply deny traffic from these folks for a week. See if “they get it” after their customers start complaining about things breaking.
Prisoners dilemma, tit-for-tat strategy. Looks to be the only one that will work here.
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