SMTP

SMTP

1. (Internet) Initialism of Simple Mail Transfer Protocol, a de-facto standard for email transmission.
   • 1981 November, Jonathan B. Postel, “Simple Mail Transfer Protocol”, in RFC Editor, →ISSN, RFC 788:

     The objective of Simple Mail Transfer Protocol (SMTP) is to transfer mail reliably and efficiently.

• MTPs, PMTs, TPMS, TPMs, SPMT