E-mail management is one of the biggest technological issues facing organizations these days. It involves, as the referenced article below points out, much more than just managing spam. An e-mail firewall makes it possible to do a better job of managing both incoming and outgoing mail. Also, it offers a way of tracking and logging e-mail, for those cases where it might be needed in a legal action down the road. E-mail management deserves careful attention. Thinking of buying an e-mail firewall? - Computerworld