Exchange Server 5.5 Tool needed

I am looking for a simple, and effective utility/tool for Exchange 5.5 that enables me to have better detection methods for viruses. I have already used the “NamesResolve” Utility, and don’t care for it much. I just need something that informs me WHO is sending what viruses TO WHERE, or WHOM. I have already checked into the site: www.slipstick.com, and was looking for perhaps a good exchange utility web site that offers such a tool. Thank you for the help.

Paul M. Chavez