Jose David Bayona

@rjherrera I don't think I have the time to make a proper PR but I did dig around and I believe I found the culprit [here](https://github.com/platanus/activeadmin_addons/blob/51a0e4b23a1cea89cbe4b2f283115f177bac9c7f/lib/activeadmin_addons/support/input_helpers/select_helpers.rb#L69), looks like the `selected_item`...

The emails i want to send have touchy subjects and it only encrypts emails if the user requested to do so. The application is not suppose to decode the message...

Once i got the complaints about the header i actually considered simply straight up encrypting the text however my team was quite pleased on how simple and clean the code...