If you do not need custom domains, I can remain posteo (https://www.posteo.de/ https://www.posteo.de/). They charge one €uro per month for a 2GB mailbox, but on

If you do not need custom domains, I can remain posteo (https://www.posteo.de/ https://www.posteo.de/). They charge one €uro per month for a 2GB mailbox, but on the upside, the servers are located in Germany, and they are completely ad-free.