Deliver Express 2.5.12 Improves Compatibility Across OS X Versions Posted 4/29/2016 at 20:33 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Zevrix Solutions announces Deliver Express 2.5.12, a maintenance update to its file transfer solution that automatically sends files across the Internet and locally from watched hot folders. The app also issues automatic email notifications upon file delivery. Deliver Express can serve unlimited users on a network and supports FTP, SFTP, WebDAV and more. The new version solves a compatibility issue with some older versions of OS X and introduces improvements in memory management and stability.