@[email protected] In general I think old, small computer laptops are going to be a better long-term solution for self-hosting than a raspberry pi.
Sure, it is hard to compete in terms of size, but you will soon find yourself looking for bigger specs anyways
@[email protected] I loved rain loop until I learned they had a vulnerability where a malicious email could compromise the system. IDK if they have fixed it but it was my favorite webmail by far. Nowadays I’m using desktop clients sadly.