Replying to a message is similar to composing a message.
In the Header window control area, press MENU on Reply.
Choose the appropriate item for your recipient(s).
The Compose Message window is displayed. Note the following:
The To and Subject text fields are filled out.
A copy of the original message is included only if you chose Reply To Sender, Include or Reply To All, Include.
Type or edit your message and its header, and send the message.
Refer to the section "Composing Messages".