Yes. After creating an email blast from the Total Access Emailer add-in, you can launch the email blast from a button. All it takes is knowing which email blast to send and a little VBA code. Total Access Emailer even includes a code generator to create it for you. Just call it from the button click. For more information see:
Note: You need to purchase the Professional Version of Total Access Emailer which includes the VBA library to automate it.