MailButler - Your New Apple Mail Assistant - Coming January, 18th Posted 1/13/2016 at 16:06 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Berlin based Feingeist Software GmbH today announces the up-and-coming release of MailButler, a brand new Apple Mail assistant developed exclusively for Mac users. Perfect for both business or private purposes, MailButler promises to be your personal assistant for efficient and productive work with Apple Mail. With its various functions, this application will simplify, optimize and streamline working with emails in your daily life. MailButler be released on January, 18th.