cross-posted from : https://lemmy.zip/post/60387297
Proton Mail provided Swiss authorities with payment data for defendtheatlantaforest@protonmail.com — the account linked to Stop Cop City protests in Atlanta. The FBI obtained this information through a Mutual Legal Assistance Treaty request on January 25, 2024, identifying the activist behind the anonymous account through their credit card identifier.



I can’t say either way, I manage dozens of M365 tenants myself and usually what trips it is lack of SPF/dkim/dmarc or bulk senders. But again, not common to have independent mail providers these days but even Microsoft still makes Microsoft exchange server…