On 11/17/21 11:56, Heiko Schlittermann via Exim-users wrote:
Heiko Schlittermann via Exim-users <[email protected]> (Mi 17 Nov 2021 
13:17:33 CET):
Typo? What do you mean with "sender_rcvhost"?
Mea culpa. You're talking about the variable to be expanded inside the
Received header.

But given this, I still can't see any issue with the logs you provided.


Same, I'd think, but according to the SpamAssassin folks its incorrect. According to them, a Received line like the following indicates that the host was *not* verified, but Exim seems to have fully verified the FcRDNS:

Received: from o13.mailer.shopify.com ([149.72.221.62])
    by mail.as397444.net with esmtps TLS1.3 id 1mmjFb-0034Ki-02
    (envelope-from 
<bounces+11006833-f9b2-vmstfpodc=mattcorallo....@mailer.shopifyemail.com>)
    for [email protected]; Mon, 15 Nov 2021 21:10:54 +0000

Specifically, it seems Spamassassin is looking for something more postfix-esque 
like
Received: from o13.mailer.shopify.com (o13.mailer.shopify.com [149.72.221.62])

I haven't dug into any relevant RFCs to see who's fault it really is, but it seems Spamassassin and Exim don't agree on how to communicate validated DNS.

Matt

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