popular Wiki of the Day Episode 890

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Episode 890

Simple Mail Transfer Protocol
Thu, 2019-Oct-10 01:51 UTC
Length - 2:08

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Welcome to popular Wiki of the Day where we read the summary of a popular Wikipedia page every day.

With 344,587 views on Wednesday, 9 October 2019 our article of the day is Simple Mail Transfer Protocol.

The Simple Mail Transfer Protocol (SMTP) is a communication protocol for electronic mail transmission. As an Internet standard, SMTP was first defined in 1982 by RFC 821, and updated in 2008 by RFC 5321 to Extended SMTP additions, which is the protocol variety in widespread use today. Mail servers and other message transfer agents use SMTP to send and receive mail messages. Proprietary systems such as Microsoft Exchange and IBM Notes and webmail systems such as Outlook.com, Gmail and Yahoo! Mail may use non-standard protocols internally, but all use SMTP when sending to or receiving email from outside their own systems. SMTP servers commonly use the Transmission Control Protocol on port number 25.

User-level email clients typically use SMTP only for sending messages to a mail server for relaying, typically submit outgoing email to the mail server on port 587 or 465 as per RFC 8314. For retrieving messages, IMAP and POP3 are standard, but proprietary servers also often implement proprietary protocols, e.g., Exchange ActiveSync.

This recording reflects the Wikipedia text as of 01:51 UTC on Thursday, 10 October 2019.

For the full current version of the article, see Simple Mail Transfer Protocol on Wikipedia.

This podcast is produced by Abulsme Productions based on Wikipedia content and is released under a Creative Commons Attribution-ShareAlike License.

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This has been Matthew. Thank you for listening to popular Wiki of the Day.