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.”
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.