There are several tools available that can help you avoid misconfigurations:
Email Marketing Platforms: Platforms like Mailchimp, Constant Contact, and HubSpot offer built-in tools for testing and verifying email settings. Deliverability Tools: Tools like Litmus and Email on Acid can help you test and optimize your emails for better deliverability. Analytics and Reporting: Use Google Analytics or other reporting tools to track the performance of your email campaigns.