@rzeta0 @analogfusion What there is not however is a single unified platform 'workspace', that people have grown accustomed to like, integrating auth flow with devices & application layer & across the platform space.
Nextcloud, to some degree, have made headway in this regard, at least so far as the sync, drive, calendar, docs, conferencing needs cluster.
Implementing high-reputation & sovereign mail transport with secure webmail atop is especially tricky, which is why I teach it. 2/2