The "General" tab allows you to specify the address where the email messages are being sent from, the message subject,
and other miscellaneous options, such as return receipt and message priority.

The R:Mail Editor allows you to specify the recipient list (with Cc and Bcc options).

The "Attachments" tab allows you to specify if any file attachments are included in your outgoing email.

The "Message Body" tab allows you to edit your message body using the Advanced Rich View Editor, which is launched by
selecting the "Edit" button.

The "SMTP Server" tab allows you to specify the SMTP mail server and port used by R:Mail. The options to include authentication and the ability to test the SMTP connection are provided.