Adding additional members to your team is a piece of cake. Mmmm, cake....
Note: This feature is available to Lite and Plus plans. Click here for more info on plans and their features
Click Manage on Simple Mail
Under Actions, click on Manage Team Members
Under the Users tab, click on Create New User
Enter the new account information and click on Create New User
Yay! You're all done setting up your new user for Simple Mail!