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Spam Assassin is flagging my messages for the following violation:

1.6 HTML_IMAGE_ONLY_24 BODY: HTML: images with 2000-2400 bytes of words

It seems to be telling me, literally, that:

  • My message contains an image.
  • My message only contains 2000-2400 bytes of words.
  • These are typical attributes of spam.

My Question:

Is the remedy for this problem to simply add words? [Dare I say, filler?]

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2 Answers 2

up vote 1 down vote accepted

Yes, it's flagging your message because the HTML version apparently contains an image, and the whole e-mail is only 2000 to 2400 bytes (which is pretty small). A piece of spam that contains just an image would appear like this.

The "solution" would be to add more words, specifically the e-mail size has to be over 3200 bytes to not be flagged by the set of HTML_IMAGE_ONLY_xx rules.

You seem to be really hung up on the fact that your e-mails fail a test here and there. It's really very normal for any given e-mail to fail a few tests. SA isn't a strict filter, it uses heuristic filters to determine spam likeliness.

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According to SA it's detecting an image with between 2000 and 2400 bytes of words in it. E.g. remove words from your images.

From the SA wiki:

Explanation

This may indicate a message using an image instead of words in order to sidestep text-based filtering.

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