| Option | Description |
| Owner | See Changing the owner of a mail application. |
| Mail security preferences | Click this link to set encryption and digital signature preferences. |
| Spell check messages before sending | Select this option to automatically spell check all messages when you send them.
Note Spell check occurs when you click Send to send a message, not while you are writing the message. |
| Warn me about blank message subjects | Select this option to be prompted when you try to send a message with a blank subject. |
| Allow others to recall mail sent to me | Clear this option to prevent senders from being able to recall messages they send you. |
| When I delete a collapsed conversation | Select Ask me to display a reminder that all messages in the collapsed conversation will be deleted, or select Delete to delete the conversation without displaying a reminder. |
| When I delete any document in the Sent view | Select Ask me to display a reminder that the message will be deleted from all views and folders in your mail, select Delete to delete the message without displaying a reminder, or select Remove without deleting to remove the message from the Sent view and leave it any other views and folders it is in. |
| When I delete a calendar document from any view or folder | Select Remove without asking to remove the calendar entry from the current view or folder only, or select Ask me if I want to remove or delete to display a prompt that also gives you the option to delete the calendar entry from all views and folders. |
| Delete documents in my Trash folder after | Type a number of hours for deleted messages to remain in the Trash folder before they are permanently deleted. |