It's an old thing that I should probably not mention for opsec reasons since, honestly, it probably can get pwned (I would be surprised if no intelligence agency has a 0-day for it), and I keep thinking I should switch to linux-based solutions, but it just never floats to the top of my todo list. It's also a fairly big operation since I'd have to coordinate the switchover with some people and I have no idea how to go about IMAP message copying other than telling them to move it over in Thunderbird which seems error-prone.

If anyone has a good suggestion for an open source system where I can:

- Give people access to control their domains via a web interface (create accounts, set a catch-all, such things)

- Have aliases and server-side rules (e.g. blackhole email coming into spamaddr2021december@lucb1e.com; move From "bank" Subject "balance change*" Into inbox/notifications), preferably via the web interface

- Optionally: have IMAP and SMTP without a lot of moving parts (I've looked at typical Linux setups before and they're usually quite finicky)

Then please let me know!