North American Network Operators Group

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Re: AOL 421 errors

  • From: Matt Ghali
  • Date: Thu May 04 13:52:10 2006
  • Domainkey-signature: a=rsa-sha1; s=pants;; c=simple; q=dns;b=h6TzfoSH8E6zqfCE8KZ8mf/p1WvzLIgJ7eA8G+Sg5cyl6XrRH8gGoVKH5uRdkvuU/mi++k7M6twM4dOl9rvP8w==

Don't barrage them with bogus joejob bounce notifications?
IIRC that is a feature of your mail configuration down there.


On Wed, 3 May 2006, Matthew Black wrote:

We've noticed a surge in 421 e-mail errors from AOL.

Message soft bounced for '', '4.3.2 - Not accepting messages at this time ('421', [': (DYN:T1)', '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.

matthew black
california state university, long beach

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