Quote:
Originally Posted by burger
I have Outlook and I'm wondering does anyone have any insight into what's happening with these spam messages that can't be blocked because the address is invalid, another example of email's I can't block are when they use my own email address to message me, how does that even work ?
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Invalid addresses should be flagged by the AS filter.
Setup anti-forgery for the domain like SPF, DKIM and DMARC and enable these checks on inbound traffic.
Pavin.