SMTP

American

abbreviation

Computers.

Simple Mail Transfer Protocol: a set of standards used for transferring email messages from the sender to the recipient over the internet.

SMTP British

abbreviation

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

SMTP Scientific

/ ĕs′ĕm-tē-pē′ /

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

Etymology

Origin of SMTP

First recorded in 2000–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You did not directly go and interact with SMTP.

From The Verge • Apr. 12, 2022

They are protocols that let you build services in the same way as SMTP.

From The Verge • Apr. 12, 2022

Something that we are investing in now — and a lot of entrepreneurs are working on — are protocols similar to SMTP.

From The Verge • Apr. 12, 2022

Imagine a world where you could have a protocol that is similar to SMTP, but for Discord or Twitter.

From The Verge • Apr. 12, 2022

In other words, you could have the same conversation over IM as you do over SMTP.

From Little Brother by Doctorow, Cory

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023