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Which protocol is used to send emails ?

  • A.SMTP
  • B.HTTP
  • C.FTP
  • D.Telnet

Answer: A

Emails are sent with SMTP.

The Simple Mail Transfer Protocol carries mail from the sender's client to its mail server and between mail servers, usually on port 25 between servers and 587 for client submission. Retrieving mail from a mailbox is done by different protocols, POP3 or IMAP.

HTTP transfers web pages (webmail uses it only between the browser and the webmail site), FTP transfers files, and Telnet gives an unencrypted remote terminal session.

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