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spamassassin, dmarc and forwarding

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Hi all,

I have a question about spamassassin in pmg 8.1.2. I am filtering outgoing mail. I have some questions regarding forwarded mail. SPF breaks (because of the forwarding) and spamassassin increases the SPAM score. However, since the message has also a valid DKIM signature, DMARC should kick in and prevent that the message gets a high SPAM score.

these are the SPAM headers of a message sent to our server to a user who forwards his mail to some external server:

1. header generated by...

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