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The default SpamAssassin rules are adding a relatively high score to phpList emails because of the combination of the To: header not being surrounded by angle brackets, the default HTML message format, and the default single tracking image that is setup on campaigns. This is a fresh phpList install with nothing changed except adding a test campaign.
SpamAssassin reports from two different servers:
* 2.0 TO_NO_BRKTS_HTML_IMG To: lacks brackets and HTML and one image
TO_NO_BRKTS_HTML_IMG 1.999 To: lacks brackets and HTML and one image
This was mentioned on the forums but in that post the score was negative. On two different SpamAssassin receiving servers I have access to it is actually a positive score which can end up classifying phpList mails as spam.
The default SpamAssassin rules are adding a relatively high score to phpList emails because of the combination of the To: header not being surrounded by angle brackets, the default HTML message format, and the default single tracking image that is setup on campaigns. This is a fresh phpList install with nothing changed except adding a test campaign.
SpamAssassin reports from two different servers:
* 2.0 TO_NO_BRKTS_HTML_IMG To: lacks brackets and HTML and one image
TO_NO_BRKTS_HTML_IMG 1.999 To: lacks brackets and HTML and one image
This was mentioned on the forums but in that post the score was negative. On two different SpamAssassin receiving servers I have access to it is actually a positive score which can end up classifying phpList mails as spam.
Currently the To header is being set like this:
To: [email protected]
I believe the fix for this would be to change the To header to be enclosed in brackets, either one of these:
To: <[email protected]>
To: [email protected] <[email protected]>
This is with phpList configured to use an SMTP server and not PHP's
mail()
. Thanks.The text was updated successfully, but these errors were encountered: