Phishing mail from addresses of the University of Bayreuth - subject "FW: To you !!!" or "IT Service Support ..."
Mail with the subject "FW: To you !!!" or "IT Service Support ..." is phishing. Delete immediately.
If you have entered access data, change your password immediately in the service portal https://service.tu-dortmund.de/group/intra/uniaccount-passwort.