In the new Internet Explorer 9, email button is available as part of the Command bar.
If the Command Bar is not displayed in your Internet Explorer then you can enable it using the following methods.
1. Right click on the Address Bar and select Command Bar from the list of available menus
2. Press Alt button then click View menu and then navigate to Toolbars side menu. From the list of available Toolbars select Command bar.
By these ways we can find out the Email option in Internet Explorer 9