Mark London wrote:
> Hi - We are receiving mail from a site that includes the headers:
> 
> Received: from mail1.xxxx.com (mail.xxxx.com [xx.xx.xx.xx])
>         by psfcsv1.psfc.mit.edu (8.13.1/8.13.1) with ESMTP id
> j9IM7qTG018418
>         for <[EMAIL PROTECTED]>; Tue, 18 Oct 2005 18:07:52 -0400
> Received: from adsl-xx-xx-xx-xx.dsl.pltn13.pacbell.net [xx.xx.xx.xx] by
>     mail1.xxxx.com with SMTP;   Tue, 18 Oct 2005 15:36:54 -0600
> 
> This causes spamassassin to flag it with:
> 
> HELO_DYNAMIC_DHCP  HELO_DYNAMIC_HCC  HELO_DYNAMIC_IPADDR

1) do you have a trusted_networks setting? If so, does it include
"mail1.xxx.com"? If so, are you sure you what to?

2) If you don't have a trusted_networks setting, what would the spamassassin
system resolve the IP address of psfcsv1.psfc.mit.edu as? Is it a reserved
address (ie: 10.*, 192.168.*, etc) due to split-dns?

If it's a reserved address, you must manually declare a trusted_networks
setting. You're suffering from a broken trust path caused by the "auto guesser"
being confused.

See:

http://wiki.apache.org/spamassassin/TrustPath

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