From Name:

Registering the name displayed as a sender.

From Address:

Registering the mail address displayed as a sender’s mail address.

Reply-to:

Registering a “Reply-to” mail address.

Sending Messages:

Tick a check if you prefer to save sent messages automatically.

Replying to Messages:

Tick a check if you prefer to insert original messages when replying.

The insertion place of a signature:

Specifying the area inserting a signature when replying

Reply Separator:

Selecting a separator added to an original massage when replying.

Deleting Messages:

Select either moving messages to the Trash or deleting message immediately.

Compose Width:

Specify the width of text field of a composing window.

Messages per Page:

Specify numbers of messages to display per page.

Address Collection:

Select an address collection behavior when sending messages.

Message List View:

Selecting the columns you want to see in your message list.