Top site for "exchange server spam filter": trendmicro.com
Title: Antivirus & Content Security Software | Securing Your Web World ...
Description: Trend Micro, a global leader in Internet content security, focuses on securing the exchange of digital information for businesses and consumers.
Approx. monthly SE traffic: 82.50K
Approx. monthly SE traffic cost equivalent: $432.73K
Average cost per click
Number of monthly searches for this keyword
Number of monthly searches for queries containing this keyword
Broad Searches: 1.30K
(Average cost per click) * (Number of monthly searches for this keyword)
Gfi.com: GFI - Web, Email and Network Security solutions for SMBs on premise and hosted
GFI offer fax server solution, email anti-virus and anti-spam software for Microsoft Exchange and email servers; Network security and monitoring tools; event log monitoring solutions for Windows NT/2000/2003.