Microsoft Antispam

Spam was once just an annoyance, but it has become the tactic of choice for online deception, fraud, and abuse. Companies are being forced to commit significant resources to protect their messaging infrastructures and their brands, and computer users must stay vigilant to protect themselves from the influx of deceptive e-mail.

Microsoft has developed a holistic strategy to battle spam that includes industry collaboration, prescriptive education, and the development of innovative technologies and services. This Anti-spam Resource Center, along with the anti-spam technologies included in all of our email clients, servers, and services, demonstrates our commitment to helping you stop spam from entering your network.
Microsoft® Forefront™ Security for Exchange Server

Microsoft Forefront Protection 2010 for Exchange Server (FSE) is an important part of the Microsoft Forefront product line, providing advanced protection and management on premise. FSE offers:

* Comprehensive and Industry leading protection—Provides both the leading catch rate and near-zero False Positive rates.
* Optimized performance—FSE—helps protect messaging and collaboration systems while maintaining server uptime and optimizing server performance.
* Simplified management—With an intuitive user interface, compatibility with Microsoft Forefront Server Security Management Console, and features for automating engine updates, scan jobs, and reporting, FSE allows administrators to easily manage and deploy protection services across all their servers.

Microsoft Forefront Online Protection for Exchange

Microsoft Forefront Online Protection for Exchange provides hosted services for e-mail filtering, encryption, archiving, and continuity assurance that help businesses communicate with confidence.

* Enterprise Class Reliability—Scales to meet the needs of virtually any enterprise with SLA-supported uptime and monitored performance metrics.
* Active Protection—Layered real-time anti-spam and anti-virus defenses eliminate threats before they reach the corporate firewall.
* Simplified Management—Simplifies IT environment by minimizing the need to deploy, configure, monitor, and update in-house e-mail security servers and applications, which helps free up network and server resources.

Source: http://www.microsoft.com/forefront/antispam/

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