I mostly read GNU mailing lists, and there mbox is offered https://lists.gnu.org/archive/mbox/ https://lists.gnu.org/archive/mbox/ . Linux seems to offer a git

I mostly read GNU mailing lists, and there mbox is offered https://lists.gnu.org/archive/mbox/ https://lists.gnu.org/archive/mbox/ . Linux seems to offer a git repositories with the messages, which is bit annoying, but script-able. Well, it is not perfect, much still, the hassle is one-time, so meh.