On 2022-11-10 06:23:43 (+0800), MRob via mailop wrote:
On 2022-11-09 13:54, Kevin A. McGrail via mailop wrote:
Just a note that it is not necessarily a free trial. It's the
onboarding domain for M365.
I would NOT agree that it reflects legitimate traffic and have rules
in the KAM ruleset for the onmicrosoft domains. They are being
abused.
Does anyones on this list getting legitimate nonspam mail from
*@<foo>.onmicrosoft.com?
Yes. Lots. Unfortunately.
As KAM wrote, this is the "onboarding" domain for Microsoft 365. It's
used by free trials and by paying customers. Some paying customers
never get around to linking their domains. Or they link their domains
but keep sending from their onmicrosoft.com subdomain.
Philip
--
Philip Paeps
Senior Reality Engineer
Alternative Enterprises
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