The German version (here) of this page contains a list which gives an overview over the phishing e-mails currently known to us with a fake reference to the GWDG, the University of Göttingen or the MPG. Generally, many more phishing e-mails circulate that have no relation to the mentioned facilities.
Please don't follow any links included in those e-mails and please never enter user credentials (username and password) on websites called up by the links. If you have already done so for your GWDG user or e-mail account, please change your password immediately in our customer portal https://www.gwdg.de. For more information about phishing e-mails, please look at our security instructions and at a comprehensive https://info.gwdg.de/news/en/information-warning-about-phishing-e-mails-for-gwdg-users/.