Common reason #2

Your Mailingboss Account Was Blocked!

hat happens when our system finds a high number of Spam complaints or hard bounces.
Most of the cases this is because the user bought an email list.

Please submit a support ticket, and we will check your account. 

For more information, you can check the next tutorial:

Common reason #1

You have a special character on your Builderall password, such as: !@#$%_

Go to your account settings and create a new password with only letters and numbers.