|When you compose a message, you must know who you are sending it to, what the subject line will be, and, of course, what you will write in the actual message.
To start composing a message, click the "New Message" icon on the toolbar (see Using the Toolbars ). You should be directed to a window that looks something like this:
This is the screen you will see when composing a message. Click it to open a more detailed view.
Checking "Backup Sent Message" will store a copy of all sent messages in your Sent folder, allowing you to keep records of all outgoing messages. Checking off "Confirm Reading", requests a receipt from e-mail recipients' mail clients. You will get a notice when the message is read.