You asked and we listened - you can now reply to discussions on the KX Community via email!
First thing to do is make sure you are subscribed to the board on the KX Community and that you have email notifications turned on: see this post for more information on Subscriptions and Notification settings.
You will now receive email notifications when there is a new post in the Community, and all you have to do is click on "Reply" in the body of the email and send your response directly from your email application!
Note: You must use the Reply link within the body of the email beside the link to Give Kudos. You also must not edit the auto-generated email address in the "To" line of your reply.
We love to hear great suggestions like this on how to make the Community more useful for you, so please feel free to give us your feedback in this short survey.