What is the port number of IMAP,SMTP,POP3 Protocol?

Question

It is a protocol used for sending and Receiving mail in Mail Client

Answer 1

IMAP-143

SMTP-25

POP3-110

Answer 2

These well known ports are all kept track of by IANA. See link below.



imap 143/tcp Internet Message Access Protocol

imap 143/udp Internet Message Access Protocol



smtp 25/tcp Simple Mail Transfer

smtp 25/udp Simple Mail Transfer



pop3 110/tcp Post Office Protocol - Version 3

pop3 110/udp Post Office Protocol - Version 3

Answer 3

The default port no's for IMAP, SMTP, POP3 Protocols are

IMAP - 143

SMTP - 25

POP3 - 110

Answer 4

IMAP port 143

SMTP port 25

POP3 port 110