|
|
|
25
|
SMTP |
SMTP
email server
|
Simple
Mail Transfer Protocol - core Internet protocol used to transfer from client to server (MUA to MTA) and server to server (MTA to
MTA) |
|
110
|
POP3 |
POP
email server |
Post
Office Protocol allows
clients (MUA's) to retrieve stored email |
|
143
|
IMAP |
IMAP(4)
email server |
Internet
Message Access Protocol provides a means of managing e-mail messages on
a remote server and retrieve stored email |
|
465
|
SMTPS |
wsmtp
protocol over TLS|SSL (was ssmtp) |
SMTP
via SSL encrypted connection |
|
993
|
IMAPS |
SSL
encrypted IMAP |
IMAP
via SSL encrypted connection |
|
995
|
POP3S
SPOP |
SSL
encrypted POP |
POP
via SSL encrypted connection |
