OS X El Capitan has been announced and is now available as a Public Beta. The equinux Development Team took this time to test the stability of Mail Designer and Mail Designer Pro and reports that after the first test, Mail Designer Pro 2 worked flawlessly with Apple’s newest operating system. We'll be releasing a free update closer to the full launch to take advantage of some of the new features and UI changes.
With the latest El Capitan beta, Mail Designer 2 should work fine for the most part, though we have seen some issues with Apple Mail integration in previous betas. Therefore, we recommend waiting for the final release of El Capitan for those who mainly use Mail Designer 2 in cooperation with Apple MailDownload Mail Designer Pro 2.3 Download Mail Designer 2.3