ChannelPortNumbers

Common port number usage

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
ftpis	21
sftp	22