No quick fix for spam

摘要

Spam can result in corporate losses, the two biggest of which are lost employee productivity and consumed IT resources. It can also result in the introduction of inappropriate content on the network, such as malware or pornography offers. Spam can be as much as 90 percent of incoming corporate e-mail. Three distinct approaches toward spam blocking have emerged in enterprises: software, hardware appliances, and outsourced services. Companies are now beginning to use these in combination.