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The default port number of SMTP is _________

A. 25

B. 110
C. 2525
D. 143

Explanation: The default port number for SMTP is 25. Port 110 and Port 143 are the default port numbers for POP3 and IMAP respectively. Port number 2525 is used by SMTP when port number 25 is filtered out and the client wishes for a non-encrypted connection.

Occurrence: 0, System Administrator 2026

The default port number of SMTP is _________ | 25 | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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