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Network Cabling

• 90% of all email is spam
• Prevents Spam and Viruses from entering internal network
• Less disk space needed for Mail
• Decreased load on  network
• Non-Microsoft OS
• Prevents Directory Harvesting
• Prevents Dictionary Attacks
• Hours /week/employee maintenance
• No rules to configure
• Quick Return on Investment

High Processing System

SpamGate appliances are able to handle email networks of anywhere from 200 to 5,000 active users, depending on the SpamGate model. Multiple SpamGate appliances can be employed to accommodate additional load capability.

Easy Installation

There is no software to install.  There are no modifications required to your existing mail system.  All SpamGates come pre-configured to your network needs.  Just plug it in, and it will begin to scan incoming email immediately.

Increase Your Email Server's Capability

The SpamGate Antispam Appliance is self-sufficient, meaning that it handles all your spam-blocking so it does not bog down your email servers.  Consequently, the load on your email system will be dramatically decreased, since they will process and store less incoming mail.  Therefore, the performance on your email servers will increase.

Automatic Updates to System

As spam trends change, new updates to provide the maximum proficiency in detecting spam will automatically be performed on you SpamGate.  There is no need for your organization to do it manually.  SpamGate proficiency will always be maintained.

Support for Multiple Domains & Email Servers

All SpamGate models can be used no matter the number of domains or email servers.

Greylisting

Greylisting is a new method of blocking significant amounts of spam at the mailserver lever, but without resorting to heavyweight statistical analysis or other heuristical approaches.  Consequently, implementations are fairly lightweight, and may even decrease network traffic and processor load on your mailserver.  Greylisting relies on the fact that most spam sources do not behave in the same way as do “normal” mail systems.  Although it is currently very effective by itself, it will perform best when it is used in conjunction with other forms of spam prevention.

Detailed Message Reporting

SpamGate maintains detailed statistics of Spam and Virus efficiency at your site. Reporting data provides you with key metrics to show the value of the SpamGate appliance as a filtering solution. Multiple reports are available, including filtering data on a recipient, sender, or IP address basis. For example, administrators can use these features to see which employees in their organization are receiving the most spam.  View the screenshots for sample reports.

Heuristic Spam Engine

Heuristic spam engines examine the behavior of email traffic down to the packet level to determine if it is spam or not. Heuristic engines, through non-linear mathematics, identify a message as spam by correlating the results of various spam filters that are triggered by an incoming message. Only if sets of related filters specific to spam are triggered, at the same time, is the message classified as spam. A true value of the heuristic engine is that it becomes more refined and efficient as it processes more and more email.

Auto-Learning Bayesian Filter

A technique used for identifying incoming e-mail spam. Unlike other filtering techniques that look for spam-identifying words in subject lines and headers, a Bayesian filter uses the entire context of an e-mail when it looks for words or character strings that will identify the e-mail as spam. Another difference between a Bayesian filter and other content filters is that a Bayesian filter learns to identify new spam the more it analyzes incoming e-mails. Bayesian filters are adaptable in that the filter can train itself to identify new patterns of spam and can be adapted by the human user to adjust to the user’s specific parameters for identifying spam. Bayesian filters also are advantageous because they take the whole context of a message into consideration.

Distributed Hash Databases

Vipul's Razor, Pyzor and DCC are collaborative spam-tracking databases, which work by taking a signature of spam messages. Since 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.

Whitelist / Blacklist Maintainance

Allows you to control the sending addresses that you will automatically: forward mail from (Whitelist) and reject mail from (Blacklist).  This method saves the processing time of your SpamGate appliance from having to scan the email and report a score.  Instead it reads the sender’s information and automatically forward or reject the message based upon your arrangement.