Enabling Count when sending allows you to get an accurate picture of your recipients. If you are:
Then you should turn count on! To do so, open a new email window and select the ContactMonkey icon. From there, select "Overall". You should see two options: "Track" and "Count". Simply toggle both on. Your sidebar should look like this:
Once you have count toggled on, remember to select "Set to Default" so it will reflect in future sends.
What happens if Count is toggled off?
In your analytics, overall recipients with "Count" off shows up like this, with 1 recipient:
While you are able to change the recipient view by clicking on the icon within the square, turning on count allows you to skip this step.
Group Not Looking How It Should?
If you will be sending to membership protected lists (groups with membership hidden), then the service account must be added to the security group with permissions to view membership in order to expand the list.