Virtual domains ubuntu 12.04

I've recently installed a server (12.04) with Apache, Postfix and Courier. Is this a system you can rely on in a production evinronment? The server (VPS) is hosting both emails and websites.

Ref to this guide

The thing that worries me the most is, what do I have to do to keep the mail-part up to date? Does this setup require much work in terms of servermanagement?

What happens if email falsely gets tagged as spam? How can I undo that?

 

falko, can you recomend this as a production server?

 

Yes, of course.

 

Thanks, and one more thing:

If Ubuntu update the postfix package, do we have to repatch postfix in this setup for quota to function properly?

 

Yes. But you can use apt-pinning to prevent this. See chapter 4 on http://www.howtoforge.com/a-short-introduction-to-apt-pinning-p2

 

Thanx, but it seems like:

is our best bet here.