[130164] in North American Network Operators' Group
Re: What must one do to avoid Gmail's retarded non-spam filtering?
daemon@ATHENA.MIT.EDU (John Levine)
Wed Sep 29 13:58:47 2010
Date: 29 Sep 2010 17:58:28 -0000
From: John Levine <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <22257558.30.1285704909402.JavaMail.root@zimbra.caneris.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>We have proper A+PTR records on the edge MTAs, proper SPF records for
>the originating domain, proper Return-Path and other headers, and so
>on. There isn't anything that I can think of other than the content
>itself which would be abnormal, and obviously the content is
>repetitive and can't be changed much. Is there something obvious
>which we've missed?
What else goes out from that MTA? User forwarded mail? Mailing lists?
random customer junk?
It is a really good idea to separate your mail streams. These days it
means separate IPs for users, transactions, forwards, and such,
eventually different DKIM signatures will do the trick.
R's,
John
