I will throw it in an LXC and see how it plays out.

Your script sounds like it is independent of the server software, I cannot see a reason for it not to work.

In the meantime, have you considered Mailcow? I have been running it for a couple of years, some tweaking here and there and it serves my needs.

It is not a complete re-write, but rather, a web interface in front of postfix/dovecot/rspamd/...etc, no integrated mailing list, but I never needed that.

Another question comes to mind, why is everyone so focused on Postfix? Back when I cared I ran Exim everywhere, it is much more capable and the configuration actually makes sense.

Anyone remember QPopper? :) 

On Sun, Jan 11, 2026 at 5:14 PM Ron via Talk <talk@lists.gtalug.org> wrote:
Nick Accad via Talk wrote on 2026-01-11 06:06:

> Is this another closed source solution with a community edition?

I think of it as an open source solution with some paid-for features
only really useful when running at commercial scale.


A seemingly reasonable way to earn a living producing software.



> Which begs the question, is there anyone comparing those solutions? Off
> the top of my head: zimbra, carbonio, openexchange, zarafa, citadel.
I haven't even heard of most of those, and the one(s) I have don't seem
to have any significant market share.


It's hard to say whether Stalwart has / will gain "momentum", but they
say they're feature complete now, and it's a *highly* polished product.



Need to know whether I can export messages in case I decide to move back
to Postfix / Dovecot (there is an export command for the CLI tool, but
it speaks of JMAP - would have to test if it can export to IMAP in
MailDir format).


Also, I have a script that uses inotify to trigger another script to
rewrite new files (messages) in a specific folder, and resubmit them to
IMAP with a meaningful subject.

I don't know if that can be implemented in Stalwart.



Gonna have to do some testing...

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