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Fighting Spam with SpamAssassin

In this article I’ll show you a script-driven approach for blacklisting domains in SpamAssassin. Simple and yet effective. I presume that postfix, dovecot, and SpamAssassin are installed and ... read more

Slamming Spam with SpamAssassin

SpamAssassin can be set up to work at mail delivery time (when mail is being written to the users' mailbox, often called "per-user") or transfer time (when mail is coming into the system). Both are ... read more

SpamAssassin proves to be an effective engine for battling spam

Administrators looking for an inexpensive spam-fighting solution that brings out and adds to the best of SpamAssassin might consider CanIt-Pro. Although far simpler to install than SpamAssassin, it ... read more

Spam Fighting: To Bounce or Not to Bounce?

Many sites find that once you get decent filtering in place and start identifying spam, a new problem that crops up is just a disconcerting: Deciding what to do with it. Software such as amavisd-new, ... read more

Block Email Spam By Checking Header and Body in Postfix/SpamAssassin

SpamAssassin is a free, open-source, flexible and powerful spam-fighting tool. While the commands in this article are for Ubuntu users, you can easily adapt them for Debian, CentOS, RHEL and OpenSUSE. ... read more

Use Gmail to Fight Spam

Everybody has a favorite method for fighting spam, the bane of inboxes planet-wide. Tools like MailWasher and SpamAssassin get the job done for some, but I'm partial to another solution: Gmail. Google ... read more

Naval researchers pioneer TCP-based spam detection

The work "advanced both the science of spam fighting and ... worked through all the engineering ... Researchers Robert Beverly, Georgios Kakavelakis and Joel Young built a plug-in for the SpamAssassin ... read more

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian Lenny

HowtoForge – This tutorial describes how to scan emails for image spam with FuzzyOCR on a Debian Lenny server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing ... read more

“SpamAssassin” Released by O’Reilly

With the onus of finding a solution to this massive problem–and fast–sys admins have many spam-fighting options available, but these often turn out to be too aggressive, too passive, or too ... read more

Fighting Spam and Viruses at the Server, Part V: The Linux Edition

Arguably the most popular of the free spam detectors out there is SpamAssassin, and for good reason: it's not just free, it's among the most effective spam-fighting tools available for any platform. ... read more

New Tactics in the War on Spam

When it comes to fighting spam, there used to be three viable options, Firstbrook says: using a hosted anti-spam service, using a gateway device to block spam, or installing spam-blocking software. ... read more