SpamAssassin rule
DKIM_ADSP_DISCARD
Domain asks to discard unsigned mail
+1.8 points
Header test
What DKIM_ADSP_DISCARD means
The From domain declares that all its mail is signed and unsigned mail should be discarded, and this message has no valid signature.
The rule's description in SpamAssassin: “No valid author signature, domain signs all mail and suggests discarding the rest”
How to fix it
Sign every message with DKIM for your domain before sending.
Does your email trigger DKIM_ADSP_DISCARD?
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_NXDOMAINFrom domain does not exist
DKIM_INVALIDDKIM signature is invalid
DKIM_SIGNEDMessage is DKIM-signed
DKIM_VALIDValid DKIM signature
DKIM_VALID_AUDKIM signature from your own domain
DKIM_VALID_EFDKIM signature from the envelope sender's domain
DMARC_MISSINGNo DMARC record
Frequently asked questions
What does DKIM_ADSP_DISCARD mean?
The From domain declares that all its mail is signed and unsigned mail should be discarded, and this message has no valid signature.
How do I fix DKIM_ADSP_DISCARD?
Sign every message with DKIM for your domain before sending.
How many points does DKIM_ADSP_DISCARD add?
1.8 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.