Question

Gmail marking all my sent mails as "spam" despite all tests (DKIM, DMARC, SPF) being passed...

So apparently all the emails I am sending from my mail server (Postfix) are being classed as spam by Gmail. Gets me very frustrated as all the tests (DKIM, DMARC, SPF) have been setup correctly and all pass in Gmail. A reverse DNS record is also present and fine. Any advice on what to do next? Or what I might do to fix this mess?

Thanks

Edward

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Hello,

I would recommend sending an email to this site here:

https://www.mail-tester.com/

Then check the report it would give you a tone of suggestions on why your emails might be marked as spam. I use this all the time.

Hope that it helps!

Regards, Bobby

It shows different answers. I check it here https://powerdmarc.com/dkim-record-lookup/