The company is based in Switzerland and is French speaking. Any chance "AdVite" means something different in French?
Apart from that, their website states pretty clearly their privacy policy [1] and other terms [2]. It doesn't look like there is anything shady going on here.
I don't personally use Migadu but I've had it bookmarked as the "service I would probably use if/when the day comes".
Perhaps they pivoted from inception. There are references in their company registration to advertising and marketing though the entire company plan is /very/ broad and encompassed pretty much any IT/online service.
Apart from that, their website states pretty clearly their privacy policy [1] and other terms [2]. It doesn't look like there is anything shady going on here.
I don't personally use Migadu but I've had it bookmarked as the "service I would probably use if/when the day comes".
[1]: https://www.migadu.com/en/privacy.html [2]: https://www.migadu.com/en/terms.html