The short version: Be nice, don't be rude, no piracy. Talk to the mod (kendrick) or NFG if you have trouble.
The GameSX forum is a community effort, built by its members. The admin, NFG, does not claim ownership of your contributions. You cannot, however, delete your contributions. If you want something deleted, contact NFG or kendrick. No user has the power or right to blow holes in the community, and such requests will be considered on a case by case basis.
Note: GMX.DE email addresses do not work. You'll need to register with a different address. Sorry, not our fault and they don't reply to emails about it. ¯\_(ツ)_/¯