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.
Pls add it,i think it is a good function to filter spams,only filter documents,only those without password protected documents.
Some spammer may send email with random title,body,attachment name,but same content in the attachments.
