DAVx⁵ has been successfully tested with T-Online

T-Online.de is a German news portal and ISP which provides an email service with address books and calendars.

DAVx⁵ settings

Base URL:https://spica.t-online.de/

Username: yourEmail@t-online.de
Password: your password for the given username

With free (non-paid) t-online.de accounts it's possible that only address book synchronization is available (no calendars). Address book and calendars are available for t-online.de customers.

Last updated: 11 Oct 2019