] The weapon in question is called "dot-mail," a proposed
] new Internet domain like dot-com or dot-org. If approved
] by the Internet's addressing authority, direct mailers
] and other companies could use it to send their e-mails
] straight to users' in-boxes without fear that they will
] be quarantined or discarded by software filters that
] confuse those e-mails with spam.

This is the first I've heard of this ... and its a totally
assinine idea!

U: Maybe not quite as assinine as I originally thought...
see the FAQ.

Dot-Mail Domain Proposed as Spam Solution (TechNews.com)