Kuadhual

Using ansible will help you on your 2nd, 3rd , nth install.

But getting ansible to do what you want (plus testing) for the first time would takes 10x longer than manual install.

I think there’s xkcd about that.

I’m an admin of a self hosted iRedMail (with iRedAdmin Pro).

My advice is: Don’t.

Getting an email server running is easy. Managing them is not.

There are some good advice here. Use commercial service with personal domain.

We need to consider truck-kun factor, where the developer get isekai-ed.