HiImDannyGanz

joined 1 year ago
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M365 dropping email from Gmail domain? in c/[email protected]
[–] [email protected] 2 points 7 months ago (1 children)

That's a great suggestion, but the message gets tossed by the M365 spam filters before it reaches the inbox and I never have a chance to see the headers. All I'm able to see is the snippet of information that doesn't show anything actionable.

M365 dropping email from Gmail domain? in c/[email protected]
[–] [email protected] 4 points 7 months ago

A G Suite account was the first thing that I thought of as well, but no, this is straight gmail.com. I actually tested with my personal G Suite account, and I got similar results. Because I'm in the support team for the manufacturer, we've been hearing reports from a large number of customers who have been complaining of this over the past 48 hours.

M365 dropping email from Gmail domain? in c/[email protected]
[–] [email protected] 3 points 7 months ago (5 children)

I don't see any indication of that from the simple output provided from the message trace.

Also, it only seems to affect messages sent from Gmail via SMTP. Messages sent from the web interface are delivered properly.

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M365 dropping email from Gmail domain? (beehaw.org)
 

I work for the support department of a large multinational imaging company. Starting yesterday, we started getting tons of calls from customers who have been sending email from their devices from Gmail domains who are not able to send emails to M365 users. A bit of snooping in our test M365 domain shows that they are being dropped as spam from M365. What's odd is that I cannot find any mention of this behavior anywhere on the Internet. Has anyone else seen this yet?