Great.
Currently I am preparing my first rye wholegrain sourdough bread for getting baked in my electric oven at home.
To possible German-speaking readers:
I am preparing the sourdough for my rye bred according to this recipe (text in German):
https://www.adler-muehle.de/info/Sauerteig.html
This recipe is linked in the sourdough article on Wikipedia (German version).