Reply_to is supported by GAE but the interface doesn't currently implemented.
The following 2 lines need to be added to web2py.gluon.tools.py at line 600: if reply_to: xcc['reply_to'] = reply_to
Reply_to is supported by GAE but the interface doesn't currently implemented.
The following 2 lines need to be added to web2py.gluon.tools.py at line 600: if reply_to: xcc['reply_to'] = reply_to