You can report the issue here.
https://msrc.microsoft.com/create-report?c=icon
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Is everyone on Exchange and Azure a hacker?
How many people forward inbound mail to RESOLVER.ADR.ExRecipNotFound@vanitydomain.tld to block an outsider vs. giving them a proper 550 5.7.1 ?
And then the i changes to a lowercase L. Nice Segoe font.
I got a 420 4.2.0 SPAM ENGINE NOT READY ... from a hospital.
Must be a new desc ... fer shure.
Then 450 4.4.316 ... REQUEUE ... FOR 23 HRS 59 MINS AND 59 SEC.
THEN ... A 550 5.4.316.
I got 32 read receipts in 6 mins flat from one guy. THREE EMAIL CLUSTERS.
You can report the issue here.
https://msrc.microsoft.com/create-report?c=icon
--please don't forget to upvote
and Accept as answer
if the reply is helpful--