There are several tools available that can assist in refining your email content:
Email Marketing Platforms like Mailchimp, Constant Contact, and HubSpot provide features for segmentation, personalization, and analytics. A/B Testing Tools such as Optimizely and VWO help you test different email elements to see what performs best. Analytics Tools like Google Analytics and Kissmetrics offer insights into how your emails are performing and where improvements can be made.