public int Port { get; set; }

Public Property Port As Integer
	Get
	Set

public:
property int Port {
	int get ();
	void set (int value);
}

member Port : int with get, set

Property Value

Caution
Server Port is only available on the MS .NET 1.1 runtime.

The port on which the SMTP server is listening. The default port is 25. The Port can only be changed when running on the MS .NET 1.1 runtime.

Reference