DAVx⁵ has been successfully tested with web.de.

web.de is a German Internet portal which also provides an email service, address books and calendars.

DAVx⁵ settings

Choose "Login with email address" and enter your web.de email address and password.

Contact group method: No CardDAV contact group support. Choose "per-contact categories" as contact group method to minimize problems.

Last updated: 02 Jan 2020