A program which sorts and processes incoming mail based on patterns found in the mail headers.
procmail is an example for Unix.
noun, Nautical. 1. a flag of the International Code of Signals symbolizing the letter Y, flown alone by a ship to indicate that it is carrying mail: a square flag with red and yellow diagonal stripes. 2. any of various other flags indicating that a ship is carrying mail.
- Mail gateway
messaging A machine that connects two or more electronic mail systems (including dissimilar mail systems) and transfers messages between them. Sometimes the mapping and translation can be quite complex, and it generally requires a store and forward scheme whereby the message is received from one system completely before it is transmitted to the next system, […]
[meyl-gram] /ˈmeɪlˌgræm/ Trademark. 1. a message transmitted electronically to the post office nearest the addressee and then delivered by regular mail. 2. the service that sends such messages.
- Mail hub