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.
If this sender pass support regex that will be much better,such as:
.*@xeams.com$ will by passed any email from xeams.com as long as not frontdoor reject and SPF passed,not forged.
