Linux.com

Probably the single biggest news out of last week's RSA conference was Microsoft's announcement of its Caller ID for E-Mail standard. Caller ID may be the third of the three major proposals that have been announced, but now that Microsoft has put its cards on the table, a great experiment will begin. Over the next year or so, the big players in e-mail--ISPs, software vendors, major corporate users and the government--will see which of them works best.