Notable here is that the bridge runs on the users computer so they don't have to decrypt mails on their side. IMAP doesn't have a builtin way to deal with full

Notable here is that the bridge runs on the users computer so they don't have to decrypt mails on their side. IMAP doesn't have a builtin way to deal with fully encrypted mail transmission including all headers and the GPG user experience is last I checked still subpar while additionally I'm fairly certain it doesn't handle fully encrypted mail.