approve and deny

Hi,

I am evaluating BPM tools for my organization and have used Bonita community edition. We have two requirements

1. Allow a user to approve/reject a request by replying to email. Approver should be able to reply to the mail containing the request with keyword such as "Approve" or "Reject" in subject or in email body. This reply can be sent to a pre configured email address and based on the keyword, the task should get approved or rejected

Hello everybody!

I was hoping to get some ideas here how to implement this system. The case is as follows: