On Wed, Mar 02, 2022 at 10:44:33PM +0100, nimrod wrote: > In the meantime I made Squirrelmail to work, but it has the same UI I > saw many many years ago. This is very good for me, since I'm looking > for a minimalistic approach, but it's really too minimalistic for my > users. RainLoop and SnappyMail are modern.
Remember, there's no law that says you have to choose just one. You can install more than one simultaneously. Make the "modern" one easier to find (shorter URL, more prominently linked from the home page, etc.) and make the "minimalist" one available but less prominently promoted.