Standard Filter such as IP/Subnet/Domain black-/whitelists, headerchecking
Extends functinallity of Microsoft IMF Filter
Even the Microsoft IMF Filter is able to reject SPAM Mails. Unfortunatly that is only possible if you install Exchange 2003 on the perimeter of your Network. Thanks to the innovative proxy architecture of Aloaha it is now possible to use the IMF Reject Filter without installing Exchange on the perimeter.