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A comment on How to prevent email spoofing, using an unholy combination of silly standards. Parent comment

Re:How to prevent email spoofing, using an unholy combinatio... by braincode on Sunday August 15, 2021 @09:19PM (#28194049)
They are not too hard in principle, but w.r.t implementation, even Google fails in some respects today with DMARC and its own Google Calendar (invite notifications bouncing within the same GSuite):

https://www.reddit.com/r/sysadmin/comments/c5p7e8/dmarc_bloc...

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Re:How to prevent email spoofing, using an unholy combinatio... by mlazowik on Sunday August 15, 2021 @09:25PM (#28194094)
Calendar (and some other stuff) can be fixed by telling google to use the g suite domain for DKIM at https://admin.google.com/ac/apps/gmail/authenticateemail
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