moderated Re: Cases of email address spoofing?

Arno Martens

Mon, 27 Nov 2017 05:19:01 -0800, "Linda" <>,
Hi, My domain mail provider requires that mail be sent through my ISP, same as Jim's.  Linda

My Gmail is set as POP3 and I have a persona in my regular client for
Just sent a reply to the above and it was rejected, as it should be, but
Google blames IO [;->)]:
Subject: Delivery Status Notification (Failure)
From: Mail Delivery Subsystem <>
Date: Mon, 27 Nov 2017 05:35:45 -0800 (PST)

** Message not delivered **

Your message couldn't be delivered to because the
remote server is misconfigured. See technical details below for more

Learn more here:
(Warning: This link will take you to a third-party site)

The response was:

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