There is no difference in the installer for Xeams Community and Enterprise Edition. It will run as if you have purchased the Enterprise Edition for the first 30 days. It will then get converted to Community Edition unless a license is purchased.
Nico,
Did you specify a local domain under SMTP Configuration? Make sure your local domain is present on that screen. This configuration makes Xeams not to do an MX lookup on the domain, but just forward the message to the desired IP.
