(MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record
foo.co.uk. 1054 IN MX 10 mail.foo.co.uk.
means that mail for an address like “firstname.lastname@example.org” should be sent to “mail.foo.co.uk”.
There can be several servers for a domain. The “10” is a priority – the server with the lowest number will be tried first.
- Mail exploder
messaging Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list. (1996-02-26)
- Mail filter
messaging A program which sorts and processes incoming mail based on patterns found in the mail headers. procmail is an example for Unix. (1996-12-09)
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, […]