Incoming ports for POP3 email protocol:
port 110 (insecure)port 995 (SSL)
Incoming ports for IMAP4 protocol:
port 143 (insecure)port 993 (SSL)
Outgoing ports for SMTP message submission:
port 25 (security optional, depending upon server configuration;originally intended for message transfer.)port 465 (SSL)port 587 (TLS, if supported by the message submission server.)
NOTE: Not all services offer all ports, protocols, or security (except the secure ports requiring SSL: 465, 993, and 995).
No comments:
Post a Comment