North American Network Operators Group
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Re: Are AOL's MXs mass rejecting anyone else's emails?

  • From: Suresh Ramasubramanian
  • Date: Tue Sep 07 08:32:03 2004

Robert Blayzor wrote:

I'm not calling them out on it, I'm just stating that rejecting mail
with a 500 series error due to a PTR record not being looked up will
cause more problems and benefit. Temporary DNS errors do occur so slapping mail with a 500 could and will reject legit mail. Of
course, AOL can do whatever they please....


AOL has a "may" in that caveat ...

Effective immediately:  AOL may no longer accept connections from IP
addresses which have no reverse-DNS (PTR record) assigned.

That should help you put things in perspective, I guess.

srs