Singlefin Rolls Out Free Managed Spam Service

San Diego-based Singlefin has released a new, "Lite" version of its product for spam and virus filtering to businesses. The company said that it will offer the free spam filtering and virus protection software to corporations and small businesses. The Lite version of its service is a subset of the company's subscription Enterprise services. The Singlefin service is used by ISPs like United Online to filter out unwanted spam email and viruses. The company's enterprise products add whitelists, administration tools, keylogger and malware protection, and instant messaging filters.