From: Noel Jones (njonesmegan.vbhcs.org)
Date: Tue Sep 15 2009 - 19:58:35 CDT

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On 9/15/2009 7:14 PM, Steve Fatula wrote:
>
>
>> Your concept is b0rken. Received headers can be forged just as well as
>> any other header.
>
> Not in my case. That is already accounted for. But irrelevant since that was not the question.
>
>> If you want to whitelist by sending MTA, why don't you just whitelist
>> those MTAs via a check_sender_access or check_client_access restriction?
>
> Only affects postfix, not the requirement
>
>> I fail to see why anyone would want to do this kind of check in the
>> backend when it can be done most easily in the frontend.
>
> Irrelevant, that was not the question.
>
>
>

To have a Received: header that looks as if the mail was
submitted via SMTP, you need to submit the mail via SMTP.

As a workaround, you can edit the master.cf "pickup" entry to
resubmit mail via SMTP.
# master.cf
pickup ... pickup
   -o content_filter=relay:[127.0.0.1]:25

and doesn't SpamAssassin recognize locally-submitted mail?
Surely you're not the first person wanting to whitelist local
mail. It seems better to address this issue in SA rather than
adding hacks to your postfix config.

   -- Noel Jones

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