Multiple choice general knowledge science & technology

Which network protocol is used to send e-mail?

  1. FTP

  2. SSH

  3. POP3

  4. SMTP
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending email messages between mail servers. FTP is for file transfers, SSH is for secure remote access, and POP3 is for retrieving email (not sending).

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