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GMX/WEB.de: Unknown certificate found / How to check authenticity? DAVx⁵ •
download online-GMX-calendar to my smartphone DAVx⁵ •
Syncronisation of GMX calendar to Android smartphone fails with HTTP 500 error 'Can't convert calendar' DAVx⁵ •
DAVdroid 1.6.3-gplay, SAMSUNG S7, Andorid V7.0 - GMX not working DAVx⁵ •
Problem with calendar future events (over 9 months ahead) DAVx⁵ •
CalDAV + WEB.DE/GMX not working at the moment DAVx⁵ •
