I have a problem where if I paste this html into the html view:

 

<a href="mailto:test@test.com">

 

When I switch back to normal view and back to html view the link gets encoded.  I tried it on your demo app and it has the same issue.

 

I tried pasting the output here but it keeps converting to regular html. 

 

Thanks. 

Please check this property:

 

http://richtextbox.com/test/EnableAntiSpamEmailEncoder.aspx