Wherever the Internet offer provides the option to enter personal or commercial data (e-mail addresses, names, addresses), the disclosure of such data by the user is optionally voluntary. The use and payment of all these services offered is possible, to the extent technically possible and reasonable, without entering such data and / or entering an anonymous data or pseudonym. It is prohibited to use contact information published as part of printed material or similar data, such as postal addresses, telephone and fax numbers, and e-mail addresses of third parties, to send expressly unsolicited information. Legal action against so-called spammers violating this prohibition is reserved exclusively.
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