Handle mail errors more gracefully. Closes #648.
Handle mail errors more gracefully. Closes #648.

datadesk/panda,newsapps/panda,PalmBeachPost/panda,pandaproject/panda,pandaproject/panda,NUKnightLab/panda,PalmBeachPost/panda,newsapps/panda,ibrahimcesar/panda,datadesk/panda,pandaproject/panda,NUKnightLab/panda,newsapps/panda,ibrahimcesar/panda,datadesk/panda,NUKnightLab/panda,datadesk/panda,newsapps/panda,datadesk/panda,NUKnightLab/panda,PalmBeachPost/panda,PalmBeachPost/panda,PalmBeachPost/panda,ibrahimcesar/panda,ibrahimcesar/panda,ibrahimcesar/panda,pandaproject/panda,pandaproject/panda