Multiple choice technology

To which port does the SMTP server listen in order to accept incoming messages?

  1. Port 15

  2. Port 115

  3. Port 110

  4. Port 25

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SMTP servers listen on port 25 by default to accept incoming email messages for transmission. Port 110 is used by POP3 for retrieving email, while port 115 is for FTP (File Transfer Protocol) and unrelated to email.