Better Email for WordPress-Powered Websites. Send beautiful emails that reach inboxes every time, and create loyal subscribers. The Best Email Plugin for WordPress. More than 300,000 websites are using MailPoet to keep in touch with their subscribers. Enjoy everything in one place. MailPoet works seamlessly with your favorite CMS so you can start sending emails right now. Quickly add content and images directly from your media library. No need to upload files to third-party services when it’s all right there, ready to use in your WordPress dashboard.