AOL 421 errors
dhubbard at dino.hostasaurus.com
Wed May 3 20:51:17 UTC 2006
From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On
> We've noticed a surge in 421 e-mail errors from AOL.
> Message soft bounced for '###@aol.com', '4.3.2 - Not
> accepting messages at
> this time ('421', [': (DYN:T1)
> http://postmaster.info.aol.com/errors/421dynt1.html', 'SERVICE NOT
> AVAILABLE']) '
> It seems as though they've tightened down their policies.
> We're pretty good at preventing spam with our IronPort
> anti-spam gateways and internal policies.
> We've also subscribed to their FBL notification service.
> I'm surprised at the types of messages AOL customers consider
> as spam. Anything and everything: university admission acceptance
> notices; instructor class assignments; photos from friends; etc.
AOL users report receipts for things they have bought or
letters from their kids as spam, or just use the spam button
instead of delete. We have a feedback loop with them on a
netblock we moved off of about 24 months ago; I've emailed
their postmaster at least 12 times with no response and no
change. I've called and they refuse to talk and say I must
email or use the form on the postmaster site to be removed;
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