Antijunk

So many businesses are upset about the trend that a number of "fax directories" have taken an antijunk stand. […] As the unsolicited documents pile up, they are bound to inspire a new line of antijunk technology.

Although antijunk e-mail legislation has been proposed in the United States, the efforts would not address junk e-mail originating from e-mail systems located outside the United States or the misuse of open SMTP relays.