SpamAssassin rule
DKIM_VALID_AU
DKIM signature from your own domain
-0.1 points
Full message test
What DKIM_VALID_AU means
A valid DKIM signature comes from the same domain as the From address (aligned). This is what DMARC needs.
The rule's description in SpamAssassin: “Message has a valid DKIM or DK signature from author's domain”
Is this a problem?
Nothing to do.
This rule lowers the spam score: it is a sign of legitimate mail.
Does your email trigger DKIM_VALID_AU?
Send it to a free test address: we run SpamAssassin, check SPF, DKIM and DMARC and show every rule with a fix.
Open the email spam checkerRelated rules
ARC_INVALIDARC signature is invalid
DKIM_ADSP_ALLDomain says it signs all mail, but this message is unsigned
DKIM_ADSP_DISCARDDomain asks to discard unsigned mail
DKIM_ADSP_NXDOMAINFrom domain does not exist
DKIM_INVALIDDKIM signature is invalid
DKIM_SIGNEDMessage is DKIM-signed
DKIM_VALIDValid DKIM signature
DKIM_VALID_EFDKIM signature from the envelope sender's domain
DMARC_MISSINGNo DMARC record
Frequently asked questions
What does DKIM_VALID_AU mean?
A valid DKIM signature comes from the same domain as the From address (aligned). This is what DMARC needs.
How do I fix DKIM_VALID_AU?
Nothing to do.
How many points does DKIM_VALID_AU add?
-0.1 points in the default SpamAssassin ruleset (network tests on, Bayes off). A message is treated as spam from 5.0 points. Mail servers can change scores locally.