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From Matus UHLAR - fantomas <>
Subject Re: rdns in received header
Date Thu, 21 Feb 2013 15:30:42 GMT
On 20.02.13 20:51, Jeff Mincy wrote:
>My local ISP ( reconfigured their email servers.  The
> 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 ([])
>      by with ESMTP; 20 Feb 2013 17:07:22 -0500
> boundary...
>    Received: from [] ([]
>        by (envelope-from <>)
>        (ecelerity 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.

Matus UHLAR - fantomas, ;
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