Amavis test scores meaning

[Waqar Khan]

Hi,

I have amavis working with postfix. It adds this header:

X-Spam-Status: No, score=1.733 tagged_above=-999 required=6.2
tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1,
FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,
RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01,
RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SORBS_SPAM=0.5, SPF_PASS=-0.001,
TRACKER_ID=1.102, TVD_SPACE_RATIO=0.001]
autolearn=no autolearn_force=no

However what do these numbers mean, for example, DKIM_SIGNED=0.1 - What
does 0.1 mean. What will the number be if an email isn't DKIM signed? Where
can I find the docs for what all these numbers mean?

Regards
Waqar Khan
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