Click “Settings,” then click “My Account.”, and choose “Account details” on the left. The deletion option is on the bottom of the list.
URLS:
http://gmx.com
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.