Defend what you create

Dr.Web Anti-spam SUPPORTED OS AND MAIL SYSTEMS for UNIX mail servers (v.v. glibc 2.2 and higher), FreeBSD v.v. 5.x, 6.x, Solaris v.v. 9 and 10 (for Intel platform only) CommuniGate Pro, , , , , Dr.Web Anti-spam for UNIX mail servers is a unique Courier MTA, ZMailer modular solution for the processing and filtering of incoming and outgoing traffic in mail servers under UNIX-systems (Linux/FreeBSD/Solaris(x86). The KEY FUNCTIONS solution can be integrated into supported mail sys- Filtering of spam, phishing, pharming, scam- tems and can be run separately as SMTP-proxy, filter- ming and bounce-messages ing e-mail traffic under SMPT/LMTP. Sending of notifications on the scanning re- sults to recipients and\or third persons Isolation of infected objects to quarantine processing scheme

LICENSED COMPONENTS LICENSING Set of anti-virus filters for Sendmail, Qmail, Post- Address license: license ranges – 15, 30, 50, fix, Communigate Pro, Exim. any number of addresses more than 50. Basic part of the program complex, monitoring Traffic license: license ranges — 720, 1200, utility and external systems interaction utility. 3600, 7200, 14400, 36000, 120000, unlimited non-spam messages a day. SDK for development of plug-ins. Per-server license: for scanning of unlimited Automatic updating utility quantity of e-mails on one server, with number of Dr.Web console scanner for UNIX. protected addresses not more than 3 000. Defend what you create

ADVANTAGES FILTERING TECHNIQUES

High speed of filtering Heuristic analysis In one second Dr.Web Anti-spam checks over one A highly intelligent technology that empirically hundred messages for spam on-the-fly (1.9GHz analyzes all parts of a message: header, mes- Pentium 4 CPU)! sage body, etc. Not only the message itself but its attachment(s) is analyzed. The heuristic analyzer Low system resources requirements is constantly improved; new rules are frequently High filtering speed is combined with low system re- added. sources consumption; the anti-spam perfectly func- tions on mail servers of almost any configuration. Counter – reaction The counter-reaction technique is one of the most Outstanding scalability advanced and efficient technologies of Dr.Web Dr.Web mail server solution can be adopted by anti-spam. It helps counteract techniques and small companies with one mail server only, large host- tricks used by spammers. ing companies and ISPs, with mail servers processing hundreds of thousands of e-mails a day. HTML-patterns Messages with HTML-coding are compared with a An Anti-Spam that is ready to go! list of known patterns from Dr. Web’s anti-spam Unlike other anti-spam software Dr.Web requires library. Such comparison, in combination with data no initial tuning or setup by the user; it begins work- on image sizes typically used by spammers, helps ing effectively upon install. However, Dr. Web can protect users against spam messages with HTML- also be taught to recognize and sort mail beyond its code, which often include online images. built-in parameters. Semantic analysis Intellectual processing of detected objects During a semantic analysis words and phrases from For any type of unsolicited e-mails, such as phish- a message are compared with words and phrases ing, pharming, scamming, bounce-messages, etc., typical for spam. The comparison is made against Dr.Web Anti-spam is able to adjust itself to choose a predefined dictionary. the correct processing technology to produce an exceptionally high detection rate. Anti-scamming technology A special module in Dr.Web anti-spam is used Autonomous filtering to filter such scams as the so-called “Nigerian” Spam-filtering module does not require connection scams, loan scams, lottery and casino scams and with any external server or database; this helps save false messages from banks and credit organiza- on traffic substantially. tions. Unique technologies Technical spam filtering Spam-filtering unique technology allows to avoid So-called bounce messages may appear as a re- using blacklists, which makes intentional compro- action to viruses, or as a manifestation of a viral mising of companies by adding them to blacklists activity – for example, messages from the self- impossible. spreading mass mailing worm or e-mail delivery Regular updates failure messages, and are as undesirable as spam. Due to dynamically updated code of the anti- A special module of Dr.Web Anti-spam filters spam’s library the filtering speed is always high and such messages as unwanted. the quality of detection is constantly improving. Up- dates for Dr.Web Anti-spam are released daily and downloaded automatically by the updating utility.

Doctor Web, Ltd. Address: 2-12A, 3rd str. Yamskogo polya, 125124, Moscow, Russia Tel: +7 (495) 789-45-87 Fax +7 (495) 789-45-97 Web-site: http://www.drweb.com E-mail: [email protected]