I still use Eudora as my primary client for both home & work email use. IMAPS, POP3S, TLSv1.2, etc. The biggest help in accomplishing this was a project from

I still use Eudora as my primary client for both home & work email use. IMAPS, POP3S, TLSv1.2, etc. The biggest help in accomplishing this was a project from few years back... https://sourceforge.net/projects/hermesmail https://sourceforge.net/projects/hermesmail You basically need 3 DLL & 1 P7B files to patch the default 7.1.0.9 install to gain the required functionality for using a modern secure mail server.