The IncomingRelays object is a collection of Incoming Relays.
Adds a new incoming relay to the collection.
Deletes the incoming relay with the specified index.
Deletes an incoming relay by its given database identifier.
Refreshes the collection.
Returns the number of incoming relays in the collection.
Returns an incoming relay by a given index.
Returns a incoming relay by a given database identifier.
Returns a incoming relay by a given name.