I need a domain registrar that offers email forwarding, with SRS [1]. It is incredibly hard to check whether they do this correctly, short of buying a domain an

I need a domain registrar that offers email forwarding, with SRS [1]. It is incredibly hard to check whether they do this correctly, short of buying a domain and checking myself. Does anybody have recommendations there? I know Google Domains does, and OVH does not, but apart from that... [1]: https://en.wikipedia.org/wiki/Sender_Rewriting_Scheme https://en.wikipedia.org/wiki/Sender_Rewriting_Scheme