For security reasons, we do NOT accept the following email attachments:

File formats of Office programs (eg .doc / docx / odt, .xls / xlsx / ods, .ppt / pptx / odp, .mdb / odb etc.) as well as compressed (.zip, .rar, .7z) or executable files (.exe, .vbs, .js) and dwg files.
We are happy to accept e-mail attachments as PDF, image file or plain text file!

Otherwise, please contact the receiver to arrange a secure transmission path.