Simple Mail Transfer Protocol, aka Simple Mail Transfer Protocol, is a historical protocol created in 1982.

37Years Old 40,950Users 0Jobs

Example code from Wikipedia:

S: 220 smtp2.example.com ESMTP Postfix
C: EHLO bob.example.com
S: 250-smtp2.example.com Hello bob.example.org [192.0.2.201]
S: 250-SIZE 14680064
S: 250-PIPELINING
S: 250 HELP
Edit

Last updated February 11th, 2019