What does simple mail transfer protocol mean?
Definitions for simple mail transfer protocol
sim·ple mail trans·fer pro·to·col
This dictionary definitions page includes all the possible meanings, example usage and translations of the word simple mail transfer protocol.
Wikipedia
Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (SMTP) is an Internet standard for email transmission. First defined by RFC 821 in 1982, it was updated in 2008 with Extended SMTP additions by RFC 5321; which is the protocol in widespread use today. Mail servers and other mail transfer agents use SMTP to send and receive mail messages on TCP port 25. Although proprietary systems such as Microsoft Exchange and IBM Notes and webmail systems such as Outlook.com, Gmail and Yahoo! Mail may use their own non-standard protocols internally, all use SMTP when sending or receiving email from outside their own systems. User-level client mail applications typically use SMTP only for sending messages to a mail server for relaying. For this, mail clients typically submit their outgoing emails to a mail server on port 587 or 465 as per RFC 8314. For retrieving messages, IMAP and POP3 are standard, but proprietary servers also often prefer their own protocols, such as Exchange ActiveSync.
Wikidata
Simple Mail Transfer Protocol
Simple Mail Transfer Protocol is an Internet standard for electronic mail transmission. First defined by RFC 821 in 1982, it was last updated in 2008 with the Extended SMTP additions by RFC 5321 - which is the protocol in widespread use today. SMTP by default uses TCP port 25. The protocol for mail submission is the same, but uses port 587. SMTP connections secured by SSL, known as SMTPS, default to port 465. Although electronic mail servers and other mail transfer agents use SMTP to send and receive mail messages, user-level client mail applications typically use SMTP only for sending messages to a mail server for relaying. For receiving messages, client applications usually use either POP3 or IMAP. Although proprietary systems and webmail systems use their own non-standard protocols to access mail box accounts on their own mail servers, all use SMTP when sending or receiving email from outside their own systems.
Editors Contribution
simple mail transfer protocol
A type of protocol used in a specific form of technology
Simple Mail Transfer Protocol is used in email systems to ensure the communication is secure
Submitted by MaryC on February 7, 2021
Numerology
Chaldean Numerology
The numerical value of simple mail transfer protocol in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of simple mail transfer protocol in Pythagorean Numerology is: 9
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"simple mail transfer protocol." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/simple+mail+transfer+protocol>.
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