To connect your AWS Account to MailBluster, your IAM user should have the following policies attached:
When you created the IAM user, you didn’t attach the
AmazonSNSFullAccess policy to the user. You need to resolve this issue by following this guide carefully: app.mailbluster.com/pages/aws-setup-guide.
Notice Step 3, where you need to give permission for
AmazonSNSFullAccess. Check out this video tutorial for further clarification: https://youtu.be/EcBazdjkQ1Y.