I saw the following in our logs yesterday;
11:12 14:51 SMTP-(08900013) Connect aol.com [205.188.156.154:25] (1) 11:12 14:51 SMTP-(08900013) 220-rly-yc04.mx.aol.com ESMTP mail_relay_in-yc4.9; Wed, 12 Nov 2003 17:49:02 -0500 11:12 14:51 SMTP-(08900013) 220-America Online (AOL) and its affiliated companies do not...
That's a standard AOL greeting that they have sent for years (although it is occasionally modified). It only says what some of their requirements are, not that you haven't met them.
We have a block of IP addresses from our BW Provider. They own the IP Block, are they the ones who would handle the reverse dns of this block or do we handle it on our servers. Is it the responsibility of who ever is listed in ARIN (which makes sense to me)?
It's your responsibility to make sure that they either have reverse DNS entries set up, or have delegated them to your servers. If you are unsure, you can use the Reverse DNS Lookup tool at http://www.DNSstuff.com to check the delegation.
-Scott
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