In order to send messages from GroupMail through your Microsoft Exchange Mail Server, the Exchange Server needs to be configured to Relay (your IT Person can do this for you).
Here are some useful steps to follow :
//exchangeserverpro.com/how-to-configure-a-relay-connector-for-exchange-server-2010
Also add “Exchange Users” to the “Permission Group“.
Now you should be able to configure your Standard Delivery Account in GroupMail entering your Microsoft Exchange Mail Server details.
As always, if you have any questions or need some help along the way, don’t hesitate to contact our technical support team.