I have set up DKIM (created a private key, entered the public key in DNS using the right syntax (selector._domainkey.domain.tld) where in DNS and UTM the same selectors are configured. However every mail UTM sends me (using the same domain as what DKIM is configured for) none of these mails are signed at all.
These mails include daily executive logs, incorrect login mail, etc. Simply not a single mail I've seen so far has been signed.
Also when I use telnet on port 25 to the UTM to send a mail from my domain to either a gmail or my own mailaddress, these mails do get delivered but also they are not signed at all.
Am I doing something wrong here or is it because I have to use a smarthost (which is configured) to deliver mails?
If this keeps failing I cannot enable DMARC in reject mode (I'm even hesitant to enable it in quarantine mode, so for now I leave it in monitor mode).
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