mailer

plural mailers

1. One who sends mail.

   Large and frequent mailers may send material on a monthly basis to their house lists, test acquisitions several times a year to drum up new donors, and perhaps do a few special appeals on top of that.

   2009, Robert Bly, 88 Money-Making Writing Jobs, page 133

2. A computer program that sends electronic mail.
3. A packet or container designed for postal use.

   The cassette came in a brown paper mailer.

4. A mailshot; advertising sent by mail.

   Do not delete this mailer as information given within may not be repeated in subsequent mailers.

   2025 March 4, “Mailer III”, in ASCE, page 1

   2 more examples

   Lasky Co., Newark (N. J.) printer, has been using a direct-mail campaign slanted toward this problem. Latest mailer, an oversized post card, has on the address side a colorful drawing of a bird perched on top of a sign post.

   1957, Printers' Ink, volume 260, page 43

   Do they recall your latest mailer? Did you ever sell an armoire through ads on hard-rock radio? Find out with low-cost "intercept" surveys of customers as they leave the store.

   1982, NHFA's CompetitivEdge, volume 56, page 71

1. A surname.