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I sent my e-mail query to another e-mail address. Why do I get an answer from Member Services?

All e-mails that you send to one of the e-mail addresses,, or, go to our central mailbox Member Services. This mailbox is linked to exactly one e-mail address, namely As soon as we received your e-mail, you therefore receive a confirmation of receipt from At the same time, a case number is automatically added to the subject line in the confirmation of receipt. It always begins with a capital “I”. After that, there is a hyphen and digits. Example: I-123456

Internally, we forward your e-mail to the right contact person. If you have questions on the processing status or if you want to check anything else, we can locate the respective information with the help of this case number.

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