Exchange 2007/2010, Outbound smarthost relay setup
Click on the next to
select the tab:-
(If you can't see all the columns shown above, click View - Add/Remove Columns...)
Right-click on the existing Send Connector, select Properties
Go to the Network tab.
Select "Route mail through the following smart hosts:" and click Add:-
Enter the smart-host as shown below
to set the authentication options, which should be se to ‘None’ as we authenticate against your public facing IP address, which should be added to the outbound relay section, of the EveryCloud Control panel under the ‘Management’ tab
The changes you've made to the will take effect straight away, without you having to reboot the server or restart any services.