Webaccess and domain on same server

Hello all,

Have what I hope is a simple question. I'm wondering if one can install GroupWise 2014 Webaccess on the same server as our GroupWise 2014 Domain / mta / gwia install is on? I've read the docs and I'm either missing it or am not comprehending what I'm reading. Essentially looking to do this as upcoming new firewall rules are going to be problematic and I'm looking at a workaround of doing a reverse proxy in the DMZ vs the way I have things setup now.