MailKled is a software add-on for Apple Mail that lights up your keyboard upon receiving an email. The only drawback is that the Mail Dock Icon cannot display counter badges.
However, one drawback to MailKled is that you will have to sacrifice the use of the counter badge on your Mail Dock Icon. This may not be a significant issue for some users, but for others, it might be quite an inconvenience.
Overall, if you are looking for a tool to enhance your Apple Mail experience, MailKled could be just what you need. With its automatic keyboard illumination and other unique features, it is definitely worth giving a try.
Version 1.0: N/A