Here is how to reset Mail for Mac OS at the original settings: ~ radu.parvu$ defaults delete com.apple.mail Enjoy!
Reset Mail Settings
Category: Mac OS X
Disable Mac OS X Gatekeeper
Ocassionally, there is a need to install an app created by a developer that is not identified by the security policy in place on the Firm's MacBook. Here is the short procedure I identified it works for me: in terminal type: sudo spctl --master-disable verify with: spctl --status open the application and quit it in terminal, type: sudo ...
