Symantec announced an updated email security product for business users. <A HREF="http://news.zdnet.com/2110-1009_22-6062039.html?tag=zdnn.alert">Symantec Mail Security for SMTP 5.0</A> is an email gateway software product that offers spam, virus and content filtering. Scheduled to be available in May, the product is the final result of the melding of Brightmail and Symantec technologies into a single, integrated product.