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Spam Detection
Comprehensive Blended Protection Against Spam
Corporations can no longer deny the impact that spam has on their email infrastructure. As of July 2004, spam accounted for more than 80% of all inbound SMTP traffic. With these numbers, it is clear to see why email administrators are having trouble keeping up with the onslaught, and end-users are spending increasingly more valuable time deleting spam from their corporate mailboxes.
To curb the spam problem, many corporations have put anti-spam filters into place. These email filters either operate as plug-ins to an email server or are supplementary systems that require continual attention and management. If not managed properly, spam filters can grow into administrative nightmares and may become completely ineffective. This challenge is further magnified when enterprises look to spam protection as a component of large-scale email hygiene - an issue that cannot be addressed by a spam filter point solution.
MXtreme offers two Anti-Spam solutions. A built in Anti-Spam application uses highly effective and intuitive filters to maximise spam fighting power with minimal false positives. MXtreme also offers Brightmail® Anti-Spam as a value-added option for accurate, managed spam filtering. If you are using an existing Anti-Spam tool, MXtreme will dramatically increase your spam filtering effectiveness, while providing you with a complete mail hygiene solution.
MXtreme's Blended Filters
MXtreme's built in spam tools catch up to 98% of all spam that passes through corporate email servers and provides remarkably low ratios of 1 in 100,000 false positives. These dramatic results and comprehensive mail hygiene results are achieved by using Blended Filters with Objective and Subjective filtering technology.
With MXtreme, all inbound email messages go through a set of objective filters, including blacklist/whitelist, RBL, SPF for antifraud and anti-phishing, DCC for bulk email, specific access patterns, and pattern-based message filters. Users can build their own personalised whitelists and manage their own quarantine areas.
The integrity of each message is then verified utilising MXtreme's high-performance Mail Transfer Agent (MTA) and mail firewall. Once a scan is completed the content is passed through subjective filters - including Statistical Token Analysis for "Smart" lexical analysis, which catches the remaining 50% of the spam content - and other local content filters.
Administrators can dispose of detected spam in a variety of ways, including quarantine (enterprise and personal), rejection, redirects, subject tagging, etc.
MXtreme provides language-independent content and spam-scanning capabilities, and is used by more than 1,500 enterprises around the globe to protect more than 30 million mailboxes.
Brightmail Anti-Spam Enterprise Edition on the MXtreme Mail Firewall
MXtreme also offers the industry-leading Brightmail Spam Filter as a value-added option. Brightmail managed filters protect over 280 million mailboxes and 1,400 businesses from spam and unsolicited commercial email. MXtreme's S-Core™ OS and high-performance MTA work seamlessly with Brightmail to deliver a secure, high performance, and highly accurate anti-spam solution.
Once Brightmail is enabled, more than 30,000 new Brightmail rules are downloaded each day from the Brightmail Logistics and Operations Center (BLOC). This ensures spam is eliminated in real-time so users do not have to spend valuable resources managing their own spam filters, and administrators do not have to worry about updating spam signatures.With Brightmail, your organisation can enjoy the benefits of 95% spam accuracy and 1 in 1,000,000 false positives.
Rich Disposition Options
Messages tagged by MXtreme's anti-spam filters or Brightmail can be handled in a variety of ways: administrators can block or delete messages, modify subject headers, add X-headers, send messages to global quarantine or to individual user quarantine, or provide any combination of these actions.
MXtreme Provides Comprehensive Email Hygiene and Spam Protection