@Ryan: Heh. I don't know what settings you refer to, but the problem comes and goes with only the davmail new release (no settings there). (If it's important for some reason, I use Kmail as a client [KDE on Fedora 30] connecting to davmail. I haven't modified its settings at all and the bug is only with the new davmail release.)
Login Exchange Fails With New Version
Davmail is GREAT. I can use Kmail again with the company Exchange server. I even...