On 6/17/20 10:22 AM, Carl Byington via mailop wrote:

> In the last 24 hours:

Yeah, I see phishing attempts that we rejected for DMARC failures like:

 Received: from microsoft.com (unknown)
  by ismtpd0004p1lon1.sendgrid.net (SG) with ESMTP id PP-Z30gTRGS8qMv1NXRDhA
  for <redacted>; Tue, 16 Jun 2020 06:55:20.140 +0000 (UTC)
 From: <ad...@microsoft.com>
 Date: Tue, 16 Jun 2020 06:55:20 +0000 (UTC)
 Subject: Service Update  : info,

I mean, come on.

Several months ago I suggested (among other things) that SendGrid block
"From" headers matching prominent domain names until the messages have
been manually reviewed. The fact that "don't let random customers send
mail saying it's from @microsoft.com" hasn't been implemented in that
time frame is disappointing.

-- 
Robert L Mathews, Tiger Technologies

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