They'll have to point their MX records at you if you run your own in and out servers, or at Google Apps or Fastmail or similar if you outsource. http://en.wiki

They'll have to point their MX records at you if you run your own in and out servers, or at Google Apps or Fastmail or similar if you outsource. http://en.wikipedia.org/wiki/MX_record http://en.wikipedia.org/wiki/MX_record Buy yourself a play domain, get a new gmail account, and set things up so that you appear to be your play domain while you use gmail. Then decide. If you don't outsource, you probably don't need a server on each VM, but I suppose that depends in part on your contracts. But think about it, I use my own domain at gmail and Google doesn't maintain a mail server just for me.