AntiSPAM & Virus Checking     printable version

I thought spam filtering was already available in previous versions of SuperMail? The new spam filtering features integrated into SuperMail provide real time spam filtering based on scanning the contents of each email message. The spam filter feature in previous versions was a site level block list. Each site administrator was allowed to specify what email addresses and or domains they wanted to block.     So what new SPAM tools are in SuperMail? SuperMail has integrated the open source package SpamAssassin into the software. SpamAssassin uses a wide range of heuristic tests on mail headers and body text to identify "spam", also known as unsolicited commercial email     How does SpamAssassin identify SPAM? From SpamAssassin´s website - the spam-identification tactics used include: header analysis: spammers use a number of tricks to mask their identities, fool you into thinking they've sent a valid mail, or fool you into thinking you must have subscribed at some stage. SpamAssassin tries to spot these. text analysis: again, spam mails often have a characteristic style (to put it politely), and some characteristic disclaimers and CYA text. SpamAssassin can spot these, too. blacklists: SpamAssassin supports many useful existing blacklists, such as mail-abuse.org, ordb.org or others. Razor: Vipul's Razor is a collaborative spam-tracking database, which works by taking a signature of spam messages. Since spam typically operates by sending an identical message to hundreds of people, Razor short-circuits this by allowing the first person to receive a spam to add it to the database -- at which point everyone else will automatically block it.     What features can I control with SuperMail? SuperMail is the first control panel solution in the hosting market that has integrated direct user control. Each email user has the ability to determine how aggressive they want "spam" to be identified by specifying a threshold (high, medium, low, or custom). The user can then determine what they want to do with mail identified as spam (delete it, mark it, deliver to different folder). Each user can also specify their own allow and block lists with specific email addresses. These are all accessible via the User Administrator Control Panel.     How about e-mail viruses? SuperMail has also included support to scan for inbound and outbound email viruses by integrating an open source package called ClamAV. Virus checking can be turned on and off for each site for both inbound and/or outbound scanning.     How do I keep the virus scanner updated? The ClamAV package includes a tool that automatically updates the virus database called freshclam.     How do I keep the software updated? SuperMail uses integrated standard RPM packages of ClamAV and SpamAssassin. The server Administrator can update these packages updates as needed.     How are the virus scanner and spam filter packages integrated? The virus scanner uses a tool called MailScanner to scan all inbound and outbound email on the server. SpamAssassin is integrated at the virtual site level using a tool called procmail. More info can be found about virus checking at ClamAV here.

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