Simple Mail Transfer Protocol - Wikipedia
https://en.wikipedia.org/wiki/Simple_Mail_Transfer_ProtocolThe Simple Mail Transfer Protocol (SMTP) is an internet standard communication protocol for electronic mail transmission. Mail servers and other message transfer agents use SMTP to send and receive mail messages. User-level email clients typically use SMTP only for sending messages to a mail server for relaying, and typically submit outgoing email to the mail server on port 587 or 465 per RFC 8314. For retrieving messages, IMAP (which replaced the older POP3) is standard, bu…
What is Simple Mail Transfer Protocol (SMTP)?
https://whatismyipaddress.com/smtpSMTP is able to transfer only text—it isn’t able to handle fonts, graphics, attachments, etc.—maybe that’s why it’s called simple. Fortunately, Multipurpose Internet Mail Extensions were created to lend a hand. MIME encodes all the non-text content into plain text. In that transformed format, SMTP is coaxed into transferring the data.
What is Simple Mail Transfer Protocol (SMTP)?
whatismyipaddress.com › smtpWhat is SMTP? SMTP is part of the application layer of the TCP/IP protocol. Using a process called “store and forward,” SMTP moves your email on and across networks. It works closely with something called the Mail Transfer Agent (MTA) to send your communication to the right computer and email inbox.