Mail Tester

Don't have WebCatalog Desktop installed? Download WebCatalog Desktop.

Desktop App for Mac, Windows (PC)

Use Mail Tester in a dedicated, distraction-free window with WebCatalog Desktop for macOS and Windows. Improve your productivity with faster app switching and smoother multitasking. Easily manage and switch between multiple accounts without using multiple browsers.

Run apps in distraction-free windows with many enhancements.
Manage and switch between multiple accounts and apps easily without switching browsers.

Download WebCatalog Desktop

Check your newsletter's spam score and quality. This tool's free, and pretty. mail-tester.com is a free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems.

Website: mail-tester.com

Disclaimer: WebCatalog is not affiliated, associated, authorized, endorsed by or in any way officially connected to Mail Tester. All product names, logos, and brands are property of their respective owners.