PMDF System Manager's Guide


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2.3.4.37 TCP/IP Port Number and Interface Address (interfaceaddress, port)

SMTP over TCP/IP channels normally connect to the remote system's port 25 when sending messages. The port keyword may be used to instruct an SMTP over TCP/IP channel to connect to a non-standard port.

The interfaceaddress keyword controls the address to which a TCP/IP channel binds as the source address for outbound connections; that is, on a system with multiple interface addresses this keyword controls which address will be used as the source IP address when PMDF sends outgoing SMTP messages. Note that it complements the Dispatcher option INTERFACE_ADDRESS, Section 11.3.2, which controls which interface address a TCP/IP channel listens on for accepting incoming connections and messages.


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