[jen_h]

This is awesome! Have really been thinking about this a lot lately, and my SES->Google Workspace solution works, but isn't viable if we ever left Google Workspace. I might set one up because abdullahkahlids' statement is compelling and correct: "If enough people do it, then over time it will become easier for more people to host their own email." (Plenty folks did this in the heady 90s...)

A few questions:

- I see that it seems to require Ubuntu, assuming this would work on Debian as well without too many needed tweaks? And are there plans to support CentOS? Ubuntu is my daily driver as a desktop OS, but I rarely use it for server apps due to all the "extra stuff" installed and the network stack is slower out-of-the-box than CentOS and I am usually too lazy to do anything about that other than put my server stuff on CentOS.

- Is more documentation available (especially a hardening guide)? For example, I see that Munin's installed (huge fan of Munin, but I'd want to firewall it off for sure), Roundcube used as the front-end management, there are variables you'd want to configure (like support email), I'd probably want to not have sieve open to the world, etc. Basically, I'd love to see a concise list of services and open ports at minimum, so I could figure out what to omit from installation and what to firewall off.