Nexcess Logo

What is SpamAssassin?

Knowledge Base Home

Notice anything different?

We've enhanced the appearance of our portal and we're working on updating screenshots. Things might look different, but the functionality remains the same.
September 09, 2019

Learn about SpamAssassin, a free email spam filter.

Purpose of SpamAssassin

As part of the Apache Foundation, SpamAssassin is an open source and free application designed to filter spam in email and servers. This application is available for OS X, Windows, and Linux servers from the Apache Foundation SpamAssassin website.

Function of SpamAssassin

SpamAssassin uses various Perl programs to identify incoming spam. They are designed for a certain amount of redundancy and complementary function to reduce misidentification.

SpamAssassin uses heuristics, or pattern recognition, to identify spam. As a result, a new installation it may block non-spam emails during an initial “learning” period.

Using SpamAssassin within SiteWorx

We use SpamAssassin on our servers to filter spam. If you need assistance with the program, contact our 24-hour support team by email or through your Client Portal

See How to use SpamAssassin in SiteWorx for more information.


For 24-hour assistance any day of the year, contact our support team by email or through your Client Portal.

Jason Dobry
We use cookies to understand how you interact with our site, to personalize and streamline your experience, and to tailor advertising. By continuing to use our site, you accept our use of cookies and accept our Privacy Policy.