How do I reliably expose MacPorts dovecot to the LAN on macOS Sonoma?

[Gerben Wierda]

I can after some more testing confirm:

- After turning of SIP, it works
- After then turning SIP on again, it still works (?!?!?!)

So, turning SIP off and on again cleared something.

Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>, Mastodon <https://newsie.social/@gctwnl>)
R&A IT Strategy <https://ea.rna.nl/> (main site)
Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/>
Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/>
YouTube Channel <http://www.youtube.com/@GerbenWierda>

> On 24 Jan 2024, at 16:18, Gerben Wierda <gerben.wierda at rna.nl> wrote:
> 
> Hello people,
> 
> I am currently making an attempt to run various ports on macOS Sonoma (mail server stuff, like postfix, dovecot, installed by MacPorts) and I am running into a problem. 
> 
> From inside the machine itself, everything is fine. I can connect to the ports using nc
> 
> But from another machine on my LAN I cannot. It simply times out when I try
> 
> 	nc -v -z <sonoma-machine-ip> 993
> 
> from any other machine on the LAN. But on the machine itself it works. The process is running, it is listening to the correct port. I have used Murus (PF configurator/logger) to see that the connection from the outside is actually made. I tried Vallum (ALF configurator) to see what I could do/see.
> 
> At one point I had postfix reacting to connections from outside the Mac, but not dovecot. Then I tried to change everything back and try again, now postfix isn't accepting connections either and I don't remember what I exactly did.
> 
> Two questions:
> how do I expose MacPorts dovecot to the outside?
> how do I find out what part of Sonoma is stopping the connection and why?
> 
> Help?
> 
> Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>, Mastodon <https://newsie.social/@gctwnl>)
> R&A IT Strategy <https://ea.rna.nl/> (main site)
> Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/>
> Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/>
> YouTube Channel <http://www.youtube.com/@GerbenWierda>

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