SpamAssassin rule
HTML_MIME_NO_HTML_TAG
HTML part without an <html> tag
+0.635 points
Combination of other tests (meta rule)
What HTML_MIME_NO_HTML_TAG means
The message is HTML only and the HTML has no <html> tag.
The rule's description in SpamAssassin: “HTML-only message, but there is no HTML tag”
How to fix it
Send a complete HTML document and add a plain-text alternative.
Does your email trigger HTML_MIME_NO_HTML_TAG?
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Open the email spam checkerRelated rules
HTML_FONT_LOW_CONTRASTText color almost matches the background
HTML_IMAGE_ONLY_04Mostly images, almost no text
HTML_IMAGE_ONLY_08Mostly images, little text
HTML_IMAGE_ONLY_12Mostly images, little text
HTML_IMAGE_ONLY_16Many images for the amount of text
HTML_IMAGE_RATIO_02Low text-to-image ratio
HTML_SHORT_LINK_IMG_1Very short HTML with a linked image
MIME_BASE64_TEXTText hidden in base64
MIME_HTML_ONLYHTML only, no plain-text version
Frequently asked questions
What does HTML_MIME_NO_HTML_TAG mean?
The message is HTML only and the HTML has notag.
How do I fix HTML_MIME_NO_HTML_TAG?
Send a complete HTML document and add a plain-text alternative.
How many points does HTML_MIME_NO_HTML_TAG add?
0.635 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.