A flexible defensive armor, made of a mesh of interlinked metal rings.

(sometimes collectively) A chain letter.

(sometimes attributive) A system for conducting elections in which voters receive and return ballots via the mail

(uncountable, networking) Email (the system). / (countable, dated) An email.

(Internet) A device or program that routes an e-mail to the correct destination.

(retronym) Mail sent physically in the post, especially as compared to email.

Any mail or letters that are not welcome or solicited and typically sent in bulk; especially mail of a commercial nature such as advertising circulars and form letters.

Mail sent to a public figure by their fans.

The delivery point where Mail Services delivers and collects mail.

(rail transport) A train used by the postal service to transport mail, and in some cases, to sort mail en route.