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From "Bill Cole" <>
Subject Re: SPF weirdness...
Date Tue, 15 Jan 2019 16:36:26 GMT
On 15 Jan 2019, at 11:08, Grant Taylor wrote:

> Does anybody know off the top of their head—don't dig, I'll do that 
> later—what might cause SpamAssassin to apply SPF processing to 
> earlier Received: headers (lower in the message source)?

Check both the contents and documentation of trusted_networks, 
msa_networks, and internal_networks.

> I'm seeing SpamAssassin claim that a message failed SPF processing 
> based on chronologically earlier internal Received: headers.  
> Conversely, the connection to my SMTP server are perfectly acceptable 
> with the published SPF record.

If SA thinks a prior hop is through a machine that writes trustworthy 
Received headers and is a normal part of your relay path, it will check 
SPF there.

There MAY be a design bug there. I'm not sure how SA deals with a 
machine you trust and which is a normal inbound relay that also is 
SPF-approved for mail it gets from other places. Maybe msa_networks can 
solve this.

> I just noticed this and will look into it further later as soon as 
> time permits.  I'm hoping that someone may have a 15 second knee-jerk 
> "check this or that" type response.
> Thank you in advance.
> -- 
> Grant. . . .
> unix || die

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