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What it is

Before you send a message you should always take a look at the Span Check tab in the Check-Up feature to see if there are red flags with regard to the message possibly being misinterpreted as SPAM by receiving Internet Service Providers.

The feature leverages the SpamAssassin algorithm to analyze the message.

Click on the View SpamAssassin score button to perform an analysis of the message

How to interpret the score

  The score shown in this section (Score) is the sum of the values reported in the lower part of the page.

Here is an example of a report.

The higher the score, the greater the chances that the message will be considered SPAM.

The Threshold shown has a value of 5 because that's the level above which many receiving ISPs will penalize the message and could deliver it automatically to the junk folder

Some frequenly reported warnings

0.6 HTML_IMAGE_RATIO_04 BODY: HTML has a low ratio of text to image area 

This indicates that the images inserted in the message weight too much compared to the text portion of the message. This refers to the total KB of the text vs. the total KB of the images. The solution is using fewer or smaller images,and/or inserting additional text.

1.1 URIBL_GREY Contains an URL listed in the URIBL greylist [URIs:] 

The message contains links to a domain that has some reputation issues. To solve the problem, the message creator must remove any reference to that domain. This includes:

  • Message text
  • Links
  • Image locations (the domain included in the absolute path to the image)

You can find a detailed list of all the rules - and their explanations - on the SpamAssassin Web site at

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