mail relay

noun

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

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Meanings

nounmail relay (plural mail relays)

plural mail relays

  1. InternetA device or program that routes an e-mail to the correct destination.
Cite this entry
APA

mail relay. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mail%20relay

MLA

“mail relay.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mail%20relay. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mail relay,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mail%20relay.

Source: mail relay on Wiktionary, CC BY-SA 4.0.