I admined Postfix with a bunch of web GUIs, some of them fairly "Outlook-like". I made my living doing that and I'm still happy to consult on email & deliverabi

I admined Postfix with a bunch of web GUIs, some of them fairly "Outlook-like". I made my living doing that and I'm still happy to consult on email & deliverability. Having said that, my professional advice to you is DON'T. If someone else wants to admin your email for a fee or for free, LET THEM.