Only an Organisation Admin can turn on the Email Messages App within an organisation
Note that you are charged £0.001 for each email message sent and received.
Steps
Select My Apps in the top menu
Select Control Panel
Scroll down to Account section and select Preferences
Tick the Activate Email Messaging tick box
In the next box, select the Contact Form fields you would like to designate as being the ones that hold the Email Address of your contacts. You can select multiple fields
Press Save.
Email Messaging is now enabled on your organisation.
Press the Messaging button in the top menu (it is shaped like an envelope) and select the Contacts option below the title “Messages”, then select the Broadcasts tab.
Once your Makerble email address appears in the top right corner you can start using Makerble to send emails to your contacts
Other actions
Send a message to a single contact