https://public-inbox.org/README.html
> public-inbox implements the sharing of an email inbox via git to complement or replace traditional mailing lists. Readers may read via NNTP, IMAP, POP3, Atom feeds or HTML archives.
> public-inbox stores mail in git repositories as documented in https://public-inbox.org/public-inbox-v2-format.txt and https://public-inbox.org/public-inbox-v1-format.txt
> By storing (and optionally) exposing an inbox via git, it is fast and efficient to host and mirror public-inboxes.
https://public-inbox.org/README.html
> public-inbox implements the sharing of an email inbox via git to complement or replace traditional mailing lists. Readers may read via NNTP, IMAP, POP3, Atom feeds or HTML archives.
> public-inbox stores mail in git repositories as documented in https://public-inbox.org/public-inbox-v2-format.txt and https://public-inbox.org/public-inbox-v1-format.txt
> By storing (and optionally) exposing an inbox via git, it is fast and efficient to host and mirror public-inboxes.