Channel Port Numbers

Some types of channels require a host and port number. These details should be provided to you by the server administrator. If no port number is provided to you, most likely the default port is being used. The most common default port numbers are listed below.

Channel Type

Port number

smtp

25

smtps

587

smtpstarttls

587

pop3

110

pop3s

995

pop3apop

110

imap4

143

imap4s

993

ftp

21

ftps

21

sftp

22