I am currently setting up OpenDKIM. I have followed the tutorial on this website but for some reason all the mails are not being signed.
Here my configurations:
I tried to debug using swaks -t email@example.com and using http://www.mail-tester.com
But both verify that my mails are not being signed with DKIM.
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Great question. Is the header missing entirely? I assume it is, but let me know if I’m reading incorrectly. Be that the case, I’m thinking it might be worth reviewing the Postfix logs when you send an email to see if there are any errors in the process. Perhaps that will reveal a bit more information. I found another tutorial that looks good too, but if you’re using ours there shouldn’t be anything wrong with it if used on the stated distro/version. This is the other good one I found though:
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