On 20.02.13 20:51, Jeff Mincy wrote:
My local ISP (rcn.com) reconfigured their email servers.  The
69.168.97.77 hop does not seem to be doing rdns lookups on the
previous hop.  For example, I get these two received headers at the
trust boundary:

   ...
   Received: from mx.rcn.com ([69.168.97.77])
     by mx06.atw.mail.rcn.net with ESMTP; 20 Feb 2013 17:07:22 -0500
   ...trust/internal boundary...
   Received: from [216.33.63.216] ([216.33.63.216:56326] 
helo=bigfootinteractive.com)
       by mx.rcn.com (envelope-from 
<1709130a2layfovcia3kqqzqaaaaabnxydzhs2jc2h4yaa...@mail.ameriprise.com>)
       (ecelerity 2.2.3.49 r(42060/42061)) with ESMTP
       id 29/DB-26250-A1945215; Wed, 20 Feb 2013 17:07:22 -0500

This leads to various bad things (RDNS_NONE & broken WHITELIST_FROM_RCVD)

Try asking your provider to turn the reverse DNS lookups on and ask them why
the hell did they turn it off at all...

Is there anything in SpamAssassin that can deal more elegantly with
this particular problem?  Perhaps Some sort of please_fill_in_rcvd_rdns
type option?

SA does not do such lookups by itself, there's only one exception related to
some buggy MTA. I don't think SA maintainers are willing to do such lookups
in SA.

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