This policy setting controls whether CTRL+ENTER can be used as a shortcut to send an email message. You can change this behavior ...

This policy setting controls whether CTRL+ENTER can be used as a shortcut to send an email message.  You can change this behavior so that CTRL+ENTER does not send an email message.

If you enable this policy setting, you may select one of these choices:
-  CTRL+Enter is not a shortcut for sending a message
-  CTRL+Enter is a shortcut for sending a message
-  CTRL+Enter displays a prompt

If you disable or do not configure this policy setting, users can use CTRL+ENTER to send an e-mail message.  By default, users are prompted the first time they use the shortcut to confirm sending the message.