However, if the e-mail is sent to a paid subscriber list, prior written permission is required.

In the field of direct marketing, the subscriber list is considered the most important part of a mailing campaign.

The journal's large subscriber list includes universities, libraries, and individual addresses in all parts of the world.

By the advent of the Vietnam War his subscriber list had grown to 70,000.

Most were from subscriber lists related to untersurveillance issues.

Within five years the subscriber list was up to about 6,000.

In doing so, Inc. developed a subscriber list enormously valuable to companies trying to reach entrepreneurs.

He said roughly one-third comes from sales of its subscriber list.

Renting subscriber lists is a profitable side business at some magazines.

This seemed a reasonable assessment, as by the middle of August 1842 the paper's subscriber list had dwindled to just 885.