[65621] in North American Network Operators' Group
Re: AOL rejecting mail from IP's w/o reverse DNS?
daemon@ATHENA.MIT.EDU (Dave Temkin)
Wed Dec 3 15:02:47 2003
Date: Wed, 3 Dec 2003 15:01:31 -0500 (EST)
From: Dave Temkin <dave@ordinaryworld.com>
To: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
You mean like Level3?
-----Original Message-----
From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of
Steven M. Bellovin
Sent: Wednesday, December 03, 2003 2:27 PM
To: Matthew Crocker
Cc: Christopher X. Candreva; nanog@nanog.org
Subject: Re: AOL rejecting mail from IP's w/o reverse DNS ?
In message <01D22399-25C5-11D8-940C-000A956885D4@crocker.com>, Matthew
Crocker
>>
>
>AOL says the PTR record needs to be assigned. It doesn't specify it
>has to match the @domain.com in the MAIL FROM: header. Wouldn't it be
>enough to make sure every IP address you announce has a PTR and
>matching A record? Hasn't this been a requirement for MANY services
>for MANY years?
Right -- and then folks will start creating wildcard PTR records...
--Steve Bellovin, http://www.research.att.com/~smb
--
David Temkin
