Took me a while to find the protocols it actually supports: https://grommunio.com/features/architecture/ https://grommunio.com/features/architecture/ I'm midw

Took me a while to find the protocols it actually supports: https://grommunio.com/features/architecture/ https://grommunio.com/features/architecture/ I'm midway migrating my own Exchange infra to Azure, if I wasn't I'd give this a serious look.