Update DKIM-how-to.md

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Dennis Baaten 2019-06-27 22:56:51 +02:00 committed by GitHub
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No known key found for this signature in database
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@ -130,7 +130,7 @@ score DKIM_ADSP_NXDOMAIN 5.0
# No valid author signature and domain not in DNS
```
This means that incoming e-mail is instantly classificied as spam if there is not a valid signature in its header and:
This means that incoming e-mail is instantly classificied as spam if there is not a valid DKIM signature in the mail header and:
* the sending domain's DKIM ADSP record states that all e-mail should be signed and all unsigned mails should be discarded (DISCARD).
* the sending domain's DKIM ADSP record states that all e-mail should be signed (ALL).
* the sending domain used in the "From"-header (a.k.a. RFC5322.From, Header From, Message From) does not exist.