HEADER finding

Missing Date header

The message has no Date header. RFC 5322 requires one, and filters penalise messages without it.

Finding code

missing_date_header

This finding appears in the findings array of the spam checker and the POST /v1/sender API response when the condition above is detected.

How to fix it

The fix.

Add a Date header to every outgoing message. RFC 5322 requires it, and filters penalise messages without one.

Related HEADER findings

Other things we check.

Finding What it means
no_authentication_results No Authentication-Results header
missing_message_id Missing Message-ID header
missing_list_unsubscribe Missing List-Unsubscribe header