Virus Blockers Service


The Virus Blocker Service provides high-performance, Internet gateway protection against viruses and malicious code. Real-time virus detection and cleanup for all SMTP Internet traffic at the gateway. SMTP protection scans all inbound and outbound SMTP traffic for viruses.

Spam Blockers

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.
  • learning classifier: we use forms of probability-analysis classification, so that a user can train it to recognise mails similar to a training set.
  • distributed hash databases: spam typically operates by sending an identical message to hundreds of people, these databases short-circuit 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.

If you have any further questions to ask, then simply use our contact us online or ask