Which statement is true of sending encrypted mail messages from Apple iOS devices?
A. There is no way to send an encrypted mail message from Apple iOS devices.
B. Encrypted messages can only be sent to recipients who are also using an Apple iOS device.
C. When the user composes a mail message in the native iOS client, the option to encrypt the message must be enabled.
D. The only way to send an encrypted mail message from iOS is by sending it from a properly configured IBM Notes Traveler Companion application.