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ePrism Spam Filter: 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 corporate networks if they aren't detected. ePrism, an appliance-based anti-spam 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 stops spam and the viruses and malicious code it carries at the perimeter before threats can reach your internal servers. The ePrism Spam Filter uses a variety of advanced features to stop spam before it enters your network: Anti-spam 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. Expanded Filtering Options to stop spam — Several actions allow you to create filter rules that encrypt, quarantine, BCC, notify, redirect or discard messages. Dictionaries — ePrism 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. 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. 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 combats this form of spam content by insuring that only correctly formatted messages are allowed to reach their destination. 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. Anti Spam Filter - 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, unwanted junk mail, bulk 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 gobble storage space, erode bandwidth, 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. ePrism has a variety of anti-spam tests in its arsenal so that spam is detected at the perimeter. These tests include Specific Access Patterns Pattern-based Message Filtering Spam Dictionaries IP Reputation DNS Block List Bulk Analysis Token Analysis Sender Policy Framework (SPFTM) DomainKeysTM Authentication. Additional features for spam filtering empower 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. You can 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 frequency with which status messages are sent to users.

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