Tag Archives: cPanel

SpamAssassin Continued

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We previously looked at basic SpamAssassin configuration in this previous article. We are now going to be looking into further advanced testing and configuration of SpamAssassin.

Testing SpamAssassin with GTUBE

Aside from adding keywords used to mark an email as spam which you can find out how to do here, you can also use a string called GTUBE (Generic Test for Unsolicited Bulk Email). If working correctly, SpamAssassin automatically gives it an antispam score of 1000.

Add the following string to the body of the email without line breaks or spaces:

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Understanding cPanel’s SpamAssassin

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spamassassincpanel

How it scores

The SpamAssassin score can be an integer or real number
required_Score = 5
required_Score = 8.2

Emails are marked with a number starting at 0. This is, in-a-sense, how spammy your email is based on a huge number of factors such as content and origination. A higher number means your email is very spam-like while a lower number such as 0 or 1 is a relatively clean email. Take a look at how SpamAssassin marks emails here:  http://help.campaignmonitor.com/topic.aspx?t=104

There are some factors that subtract from the score such as verifying that your email is originating actual server. Your emails should ideally be under 5. You can find out how to increase your emails reputation here.

The number you should be setting for marking email as spam is set under “Configure SpamAssassin.” The lower the number, the more likely your email will be marked as spam. The higher, the more relaxed the filter is. Here’s an example:

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HTML Signatures in cPanel Webmail

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Some knowledge of HTML is required for adding images in HTML signatures. You will need to upload the image to a server somewhere (preferably yours) and prepare a link. Also, these email signatures do not carry between each Webmail option in cPanel or email clients.

Example: <img src=”http://domain.com/images/picture.jpg” />

Roundcube

To turn on HTML signatures, click on “Settings” in the upper right hand corner, then click the “Identities” tab. Select the email address on the left side. Select the Signature tab and click “HTML Signature”. From here, you can add the HTML necessary to display your images. Note, however, that HTML for the entire email is disabled by default and would have to be enabled for each message you compose. To force full HTML email for every message you compose, click on the “Preferences” tab, then “Composing Messages”. Next to “Compose HTML Messages”, in the drop down select “always”, then save.

– Signatures don’t automatically add at the end of a new email?
Settings > Preferences > Composing Messages > under “Signature Options”
Check to see if “Automatically add signature” is set to “always”.

SquirrelMail & Horde

Unfortunately, the other two Webmail applications at the time of this writing do not support HTML signatures, let alone HTML emails. Both support regular signatures but not HTML.

So if you insist on using HTML for your email signature, Roundcube is the (only) way to go. An even better solution would be to use your own email client.