Solution

1. Go to All Contracts >> Click on Get Data >> Click on to edit the Contract
2. Click on Contracts & Sites tab >> Click on Add a Contract
3. Fill the form >> Click on Save

4. Click on to send the Email to
5. Click on Suggestions
   

6. Tick all To mails required
   Note: The suggestion button gives all the email addresses which are connected to the recipient being emailed.
7. Click on OK
   

8. Click on Send to send the mails to all recipients
9. Click on Yes