SMTP
Save This Word!
abbreviation Computers.
Simple Mail Transfer Protocol: a protocol for transferring email messages over the internet.
QUIZZES
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Origin of SMTP
First recorded in 2000–05
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences 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
Scientific 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.