nanog mailing list archives

Re: SMTP problems from *.ipt.aol.com


From: Sean Donelan <sean () donelan com>
Date: Fri, 16 Jan 2004 22:50:24 -0500 (EST)


On Sat, 17 Jan 2004, Suresh Ramasubramanian wrote:
You just noticed this now?

AOL has, since the past several months (over a year I think) set up
their dynamic IP pool *.ipt.aol.com to hijack port 25 outbound requests
and reroute it through a set of their own mailservers, that do some
elementary rate limiting and filtering.

True, but it appears AOL has cranked something up in the last couple
of weeks or something is choking more often.  If you look at various
places where users like to gripe, you'll notice an uptick of queries
and complaints on the subject.

I can't explain what changed, and haven't seen any explanation from AOL
about what changed.



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