SMTP

Save This Word!

abbreviation Computers.

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

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of SMTP

First recorded in 2000–05

Words nearby SMTP

SMP, Smriti, SMS, SMSA, SMSgt, SMTP, smudge, smudge pot, smudging, smudgy, smug

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use SMTP in a sentence

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

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.