Here we go! Based on data provided by the Politics project on social media [1], we can see that more than 70% of German members of the Bundestag are still on X.
We have to write our own scraper to add their emails, but we can already get an idea of who indirectly supports this disinformation tool.
https://leavex.eu/politicians-de/
Thank you @weddige for your work!
[1] https://github.com/politics-on-social-media/politics-on-social-media.github.io