CALDAV servers allow you to store your calendar and tasks information on a server and synchronize it with multiple devices such as mobile, desktop etc.
Hexamail fully supports CALDAV.
CALDAV
Calendar
URL
When using a caldav server or service you should be provided with a CALDAV url that allows access to your calendar(s).
Check with your service provider or server admin for the correct URL to access your calenders.
Typically it will be something like (FOR EXAMPLE!):
https://www.mycalendarprovider.com/calendar/
https://sync.memotoo.com:443/calDAV/
Username
The username or login required by your CALDAV provider to access your calendar.
login
Password
The password used to authenticate for this account