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The bug being described is that Microsoft will run spam checkers when receiving emails for Microsoft customers, and they will check domain ownership when sendin
by belorn 3y ago
The bug being described is that Microsoft will run spam checkers when receiving emails for Microsoft customers, and they will check domain ownership when sending outgoing emails, but they won't run spam checkers or check ownership when email are received to an address which is used for email forwarding.
In addition, other major email services such like Gmail will not run spam checkers against Microsoft since they assume that Microsoft has done their due diligence when sending emails.
- MichaelZuo 3y agoThis doesn't seem correct, if Microsoft truly does not do so in this scenario then it's impossible for it not to have been known by many many thousands of people well before 2023.
- fatfingerd 3y agoThere's nothing inconsistent with that. Spear fishing techniques that rely on a number of bad practices, where thousands of people know what's wrong, survive as long as high volume spam is largely frustrated by post fact remediation, i.e. forcing some domain to disable open forwarding or suspending some account on too much of it.