I have good experiences with Ionos (with my own domain. But they like to upsell you with stuff you don’t need).
The Business mail tier also supports Exchange Active sync (flaky on Android. Works well on iOS). The business/basic tier has CalDAV/CardDAV (which I use on Android with Davx5.
Their spam is a bit overzealous. But if something ends up in there, you
A: Can whitelist the sender
B: Receive an info-mail at the end of the day about new messages in the folder.
The webmailer is neat. But I rather use Thunderbird.
I have good experiences with Ionos (with my own domain. But they like to upsell you with stuff you don’t need).
The Business mail tier also supports Exchange Active sync (flaky on Android. Works well on iOS). The business/basic tier has CalDAV/CardDAV (which I use on Android with Davx5.
Their spam is a bit overzealous. But if something ends up in there, you A: Can whitelist the sender
B: Receive an info-mail at the end of the day about new messages in the folder.
The webmailer is neat. But I rather use Thunderbird.