GMX is a German email provider with a focus on the German-speaking market. They offer webmail, calendar (incl. CalDav), contacts (incl. CardDav).
There is one free plan and two paid plans for 2.99€ and 4.99€ per month.
Read more on the pricing page of the service.
GMX is hosted in Germany on servers of IONOS, which both belong to the same parent company United Internet.
|Domain name||Usage type||Lookup type||Hosting provider|
|_spf.gmx.net||SPF domain||Outgoing mail||