Various questions about Postfix

2021-10-14 Thread Tyler Montney
I am doing a deep dive on mail hosting and this includes Postfix. I have quite a number of questions about Postfix. Is this the best place to get those answered? To give a sample: - What does 'private' mean for master.cf? Documentation is quite scarce. I can tell it doesn't apply to inet, b

Re: Various questions about Postfix

2021-10-14 Thread Viktor Dukhovni
On Thu, Oct 14, 2021 at 09:12:40PM -0500, Tyler Montney wrote: > I am doing a deep dive on mail hosting and this includes Postfix. I have > quite a number of questions about Postfix. Is this the best place to get > those answered? > > To give a sample: > >- What does 'private' mean for maste

Re: Various questions about Postfix

2021-10-14 Thread Tyler Montney
Thank you. So by private, you mean services that end users shouldn't be able to interact with? Public services have CLI tools (as an interface) whereas private ones do not. For wakeup, why would a service need wake up timer? It has no active requests so what is it doing when being woke? Perhaps s

Re: Various questions about Postfix

2021-10-14 Thread Viktor Dukhovni
On Fri, Oct 15, 2021 at 12:15:23AM -0500, Tyler Montney wrote: > So by private, you mean services that end users shouldn't be able to > interact with? Public services have CLI tools (as an interface) whereas > private ones do not. Yes. > For wakeup, why would a service need wake up timer? It has

Re: Various questions about Postfix

2021-10-14 Thread Tyler Montney
Perfect, all of that makes sense. Here's 3 more: - The way I understand master.cf is that it spins up services. For instance, the smtp(d) service to accept incoming connections on port 25, or qmgr that handles the various queues (like active and deferred). For other services that wish

Re: Various questions about Postfix

2021-10-14 Thread Viktor Dukhovni
On Fri, Oct 15, 2021 at 12:53:03AM -0500, Tyler Montney wrote: > Perfect, all of that makes sense. Here's 3 more: You might try the book by Patrick and Ralf, the basics haven't changed. >- The way I understand master.cf is that it spins up services. On demand, unless some idle instances of