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SMTP

Simple Mail Transfer Protocol is a TCP/IP protocol used in sending and receiving emails, usually used with one of POP3 or IMAP, allows users save messages in a server mailbox and download them from the server.

Learn more

First released 1982
Developed by Ray Tomlinson, John Postel
Open-source Not defined
Used by Google, Microsoft, Apple
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Development by Synergize.digital

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