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ePrism Spam Filter
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ePrism Spam Filters & Anti Spam Filter Technology:
From Email Management to Spam Filters


Global levels of spam are at an all-time high according to recent statistics. Billions of spam messages circle the globe every day, clogging email servers and often avoiding software-based anti-spam filters. Even worse, spam can carried threats such as Trojans, viruses, botnets and other hazards that can damage enterprise and corporate networks if they aren't detected.

ePrism spam filters, an appliance-based anti spam filter and email security solution delivers unrivalled protection from spam with a unique combination of spam protection, antivirus and advanced content control. With the award-winning Kaspersky Labs Anti-Virus® onboard, ePrism anti spam filters stop spam and the viruses and malicious code it carries at the perimeter before threats can reach your internal servers.

ePrism anti spam filter uses a variety of advanced features to stop spam before it enters your network:
  • Anti Spam Filter defense with advanced content scanning — ePrism's deep scanning of email attachments not only stops spam from entering your organization, it makes sure no confidential files go out. Attachments are scanned for viruses and or to insure that intellectual property is not leaving your organization.

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  • Expanded Spam Filter Options to stop spam — Several actions allow you to create spam filter rules that encrypt, quarantine, BCC, notify, redirect or discard messages.
  • High Availability Load Optimization (HALO) – Regardless of how large your email volume is or how much spam is attempting to get to your email servers, ePrism's HALO provides security, cluster management, load balancing and "stateful failover" queue replication that guarantee consistency during a crisis.
  • Dictionaries — the ePrism anti spam filter offers custom dictionary support for content filtering allowing you to easily match simple words and phrases against message and attachment content so spam is stopped.
  • Malformed Message Protection -- Malformed messages are a type of spam that allows hackers to avoid detection, crash your systems and lock up your mail servers. ePrism spam filters combat this form of spam content by insuring that only correctly formatted messages are allowed to reach their destination.
  • Virus Protection -- Since the most common way to infect a network is through spam containing viruses, scanning for viruses is an essential component of reliable email protection. The Kaspersky Labs Antivirus® engine ensure that the latest viruses are being identified and eradicated before they reach your host.

ePrism Spam Filters & Anti Spam Filter Technology- What's Wrong with Spam
Spam is the most common problem that comes through email and it’s not just one problem. Spam comes in a variety of forms, bulk mail, unwanted junk mail, malformed message attacks, viruses, phishing exploits and a host of others, that are all different versions of spam you don’t want near your networks. Spam can erode bandwidth, gobble storage space, and overload servers, making your email system less efficient, as well as opening up your employees to inappropriate content, scams, spyware, and Trojan attacks.

The best spam filters apply multiple tests to email traffic to analyze the true disposition of messages. The ePrism spam filter has a variety of anti-spam tests in its arsenal so that spam is detected at the perimeter. These tests include
  • Specific Anti Spam Filter Access Patterns
  • Pattern-based Message Filtering
  • Spam Filter Dictionaries
  • IP Reputation
  • DNS Block List
  • Token Analysis
  • Bulk Analysis
  • Sender Policy Framework (SPFTM)
  • DomainKeysTM Authentication.

ePrism spam filters also empowers you to define the action taken once a message is tested. These actions include logging, modify subject header, add header, redirection to reject email and BCC. ePrism spam filters allows you to manage your quarantine or define trusted senders with a simple click included in the status message from ePrism to the users. You can also define the spam filter frequency with which status messages are sent to users.

Attention Google Postini Users! Google is transitioning from Postini to Google Apps, which may cause problems for many companies. Learn more about EdgeWave's Postini Email Security alternative.



EdgeWave is proud to announce the release of our Mobile Device Security solutions for employees who engage in business on their smartphones, tablets and laptops. Also review or new Social Media Security products for corporations and goverment agencies.

For additional Edgewave documentation, please review the following white paper repositories:
EdgeWave Email Security White Papers
EdgeWave Web Filter White Papers


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