AntiSpam / Email Spam Filtering


Effective out-of-the-box 97% spam protection is achieved with BusinessMail’s structured, multi-layer spam prevention strategy. The antispam server technologies allow for customized levels of protection and flexible configurations using a variety of methods, including greylisting, SPF, DomainKeys/DKIM, Bayesian filtering, reverse DNS, RBL, blacklist/whitelist, SMTP blocking, custom headers, and per-user spam weighting.

Multi-layered outbound antispam measures

System administrators can apply numerous outbound spam checks to ensure the integrity of their mail server, including URIBL, DomainKeys/DKIM, Bayesian filtering and the SpamAssassin-based Pattern Matching engine. The Commtouch Premium Antispam add-on also protects mail servers from being blacklisted for spam by using data from the Commtouch engines in the add-on to identify and block spam in the first few minutes of an outbreak.

SpamAssassin-based Pattern Matching Engine

BusinessMail incorporates the SpamAssassin-based Pattern Matching Engine as part of its multi-layered spam protection strategy. Based on SpamAssassin technology, this powerful pattern matching engine can process substantially higher volumes of email per day without the cost of addtional hardware.

Third-party spam filtering

BusinessMail integrates with most leading third-party antispam solutions, including Barracuda Spam Firewall, Declude and Trend Micro.