HOW TO INSTALL AND CONFIGURE MS EXCHANGE SERVER 2013 SP1 FROM SCRATCH (PART 2)

II/ Perform Port Forwarding on the Router:

Add the following 8 rules to allow incoming traffic to the following ports:

• 25, 587, 465, 443, 2525, 717, 3389, 475 point to 192.168.123.11 for both TCP/UDP.
  Note: Meaning of the above ports

25    (SMTP)

587     (SMTP Message submission for IMAP/POP)

465     (Secure SMTP)

443     (Secure HTTP)

2525     (Alternative port for SMTP to separate FET and Transport service because CAS and MBX are on the same server)

717     (Outbound proxy connection)

3389     (RDP)

475     (Mailbox Transport Delivery Service)