SpamAssassin rule
MISSING_FROM
No From header
+1 points
Combination of other tests (meta rule)
What MISSING_FROM means
The message has no From header.
The rule's description in SpamAssassin: “Missing From: header”
How to fix it
Every email needs a From header with a valid address.
Does your email trigger MISSING_FROM?
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
FROM_EXCESS_BASE64From header needlessly encoded
INVALID_DATEInvalid Date header
MAILING_LIST_MULTILooks like mailing-list software
MISSING_DATENo Date header
MISSING_HEADERSNo To header
MISSING_MIDNo Message-ID header
MISSING_SUBJECTNo subject
MSGID_FROM_MTA_HEADERMessage-ID added by a relay
REPLYTO_WITHOUT_TO_CCReply-To but no To or Cc
Frequently asked questions
What does MISSING_FROM mean?
The message has no From header.
How do I fix MISSING_FROM?
Every email needs a From header with a valid address.
How many points does MISSING_FROM add?
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.