EmailSender

Mail from field label (default is "Mail from :") :   Change the “Mail from” label if you like.
Mail to field label (default is "Mail to :") :   Change the “Mail to” label if you like.
Subject field label (default is "Subject :") : Change the “Subject” label if you like.
Message box initial label (default is "your message...") : Change the “your message...” label if you like.
Send button label (default is "Send message") : Change the button label if you like.