Re:Ask HN: Email proxy solution to forward emails for a domain
by avinassh on Tuesday January 31, 2023 @10:55AM
(#34596721)
Check AnonAddy, it does exactly what you want and it is open source too [0]. You can self host or use their paid service at $1/month. They also did a Show HN thread when it was launched [1]
[0] - https://github.com/anonaddy/anonaddy
[1] - https://news.ycombinator.com/item?id=21648096