Company policy prohibits the sharing of email credentials with third parties. I can imagine the same is true for many other (potential) users who deal with sensitive data. Some may even unconsciously violate these policies. Which is a dilemma if you want to use Sugarmail and benefit from the cloud features.
For this reason I would like to see the possibility to install the server component on your own servers. It doesn’t necessarily need to be open source as long as it has a strongly worded policy that data and login credentials don’t leave the premise.
Examples of other Android apps utilizing cloud features in a similar fashion, which allow the cloud component to be custom installed:
- Bitwarden password manager
- Groundwire SIP client