SMTP

Computers.

Simple Mail Transfer Protocol: a protocol for transferring email messages over the Internet.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for smtp

The attackers used a little-documented feature of most basic email (SMTP) servers called an “open relay.”
Your Refrigerator Is Vulnerable to a Cyberattack|Kevin Epstein|January 23, 2014|DAILY BEAST

British Dictionary definitions for smtp

SMTP

abbreviation for

simple mail transfer protocol: a protocol that enables e-mails to be sent between different servers

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for smtp

SMTP

[ ĕs′ĕm-tē-pē′ ]

Short for Simple Mail Transfer Protocol. A protocol used on TCP/IP networks governing the transfer of e-mail.