QuestionQ97

Tools/Systems/Programs

POP3 is an Internet protocol used to retrieve email from a mail server. Through which port does an email client connect to a POP3 server?

  • A 110
  • B 143
  • C 25
  • D 993
Explanation

POP3 is registered to use port 110. Port 143 is IMAP, port 25 is SMTP, and port 993 is IMAP over TLS.

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