Application security

Best of 2006: Email filtering

With the rising tide of spam, email-borne security threats and the danger of employees abusing email, it is essential that organizations take control of their email systems.

The cost of spam goes far beyond supplying extra capacity for clogged email servers and storage space for the millions of unwanted emails. There is also the cost of IT departments wasting dozens of days a year dealing with it. And it is the secondary affects of spam's other security threats that are the most expensive.

Spam is a major driver behind the alarming rise in the number of corporate data breaches. Feeling the impact of international awareness, more spammers are using illegitimate providers in less-regulated nations.

Spam and security breaches are the most serious email-related problems facing enterprises, but there is also the potentially devastating affect that email abuse can have on corporate reputations.

Email content filtering monitors ingoing and outgoing emails and blocks those that don't meet the company's acceptable use policy.

MXtreme Mail Firewall 800 
Product: BorderWare Technologies Inc.
Verdict: True enterprise-class filtering with impressive power and good integration with corporate systems.  

eSoft ThreatWall 200 
Vendor: eSoft, Inc. 
Verdict: An excellent choice for small firms and branch offices.  

Product: MIMEsweeper for SMTP 
Vendor: Clearswift 
Verdict: Great for the enterprise. Fast, fully featured content filtering product.

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