Default Service Ports

Ports are used to facilitate communications between client and server programs, such as IMail Administrator services. The following are the default service ports for IMail Server and can be configured.

TCP Ports:

• SMTP : Port 25
• SMTP SSL : Port 465
• IMAP4 : Port 143
• IMAP4 SSL: Port 993
• LDAP : Port 389
• POP3 : Port 110
• POP3 SSL: 995
• Web Messaging: Port 8383
• Web Messaging SSL: Port 8384
• Web Calendaring: Port 8484
• Web Calendaring SSL: Port 8485

UDP Ports:

• Web Messaging: Port 8000
• Web Calendaring: Port 8001