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Creating a Spam Filter in SquirrelMail 1.4.9a (Dreamhost)

Hi, I need to create a spam filter in SquirrelMail 1.4.9a. The ISP Dreamhost is hosting my email. Unfortunately my email address got leaked to a spammer whose mail doesn't not get flagged by the existing Junk mail rules. The X-Spam Score as shown in the full header is 1.001, which is too low to get flagged by SpamAssassin. So I need to create a smart filter by using the tools that Dreamhost offers.

The mail is a spoof of bluemountain or 123greetings and looks legitimate except for the fact that the URL has an IP address. The email has my personal email address (a .org email address) as the sole recipient. I've never received spam directly intended for me until this began, so this is very frustrating. One thing I was thinking of was to create a filter that blocks anything with an http://<IP_Address> in the body of the email. I don't know whether that will generate false positives. But by and large I need a solution for catching this spam using Dreamhost's tools. Thanks.
1 Solution
How much access do you have to the server?

There are various squirrelmail plugins for antispam. See http://squirrelmail.org/plugins_category.php?category_id=3
'spamrule' could be use to write simple rules to block specific spam.
'spam buttons' could be used so that you could report spam so that spamassassin learns it as spam so it is likely to detect it in future.

There are many additions you can make to spamassassin itself to improve its effectivness.
Do you have full access to the mail server?
Or can you manually add spamassassin rules?
Forced accept.

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