[pfx] Re: your favorite "mailserver in a box" featuring Postfix?

Hey,


Στις 7/6/26 11:34, ο/η Joachim Lindenberg via Postfix-users έγραψε:
> Hi Charles,
>
> when I was "shopping" for a mail system, I compiled a list of what I wanted.
> Like SMTP, IMAP, SPF, DKIM, AES, spam filter, runs behind NAT, etc.. Today
> my shopping list would include SMTP-DANE, MTA-STS, DMARC, CalDAV, sieve.
> Mailcow matched my shopping list, including the add-ons, and I sticked to it
> for 8+ years now. If mailcow matches your list of requirements, I can
> recommend it.
>
> The only thing I never got working with mailcow is replication across two
> sites.
>
> Cheers,
> Joachim
>
>
> -----Ursprüngliche Nachricht-----
> Von: Charles Sprickman via Postfix-users <[email protected]>
> Gesendet: Sonntag, 7. Juni 2026 03:44
> An: Postfix users <[email protected]>
> Betreff: [pfx] your favorite "mailserver in a box" featuring Postfix?
>
> So... I have a few mail servers where I need to upgrade things - generally
> not Postfix itself as, well I can't remember a change where I was like "oh,
> need to wait until this new stuff settles down", but everything around the
> MTA and all the little add-ons to get things like DKIM signing, spam
> filtering, policy (like putting sending quotas on users), and probably many
> other things I'm not thinking of.
>
> There are a million tutorials out there, but I'm not looking for one so much
> because I want to follow it to the letter, but I also think many of the
> better guides are a good way to see what people are tying together to make a
> complete system, and hopefully a way to see new things that are out there.
> Like, I still use cluebringer/policyd for stuff, maybe there's something
> better. I guess my point is we all know there are a million ways to put a
> full mail server together, but I really want to take a close look at what
> other people (that have published their complete setup as a blog post or
> HOWTO) are doing, their rationale, etc.
>
> So, if this is permissible here, please post a guide that you've seen that
> you've either used or pulled some tips and tricks from...
>
> I'm not terribly interested in IMAP server, webmail, or other things that
> are a few more steps removed from the MTA, just the bits about the MTA and
> add-ons/milters and clever ways of exploiting the flexibility on offer from
> Postfix.
>
> Thanks,
>
> Charles
>
> _______________________________________________


been running one "mailserver in a box" with modoboa for the past 6 
years. covers a lot of our needs, but not everything. some manual 
intervention has happened in those 6 years, so, not exactly running with 
modoboa defaults...

it is under active development though, and a lot of new things and fixes 
keep coming in, so i'd say its in a good shape overall...


haven't tried mailcow, but did take some ideas from configs in their 
repo and it looks good... AFAIK it has a very positive feedback from 
people using it...


other alternatives i've seen when exploring such options (apart from 
modoboa, mail-in-a-box, mailcow) :

docker-mailserver (https://github.com/docker-mailserver/docker-mailserver)

iredmail (some features are premium/paid ... )

(another docker) mailserver (https://github.com/mailserver2/mailserver)


2c,

d.


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