mailing list
n.-
A list of names and addresses to which advertising, solicitations of money, or other materials material sent in large quantities is mailed; -- it is usually used by comercial or charitable organizations. Mailing lists are often sold by organizations to other organizations, and are frequently used for
targeted mailing , i. e., mailing to groups of people who are more likely htan the general population to respond as desired to the message in the mail.

