Yes, they stripped it out.
If you have a Vista Computer, you can copy the c:\Program Files\Windows Mail folder
transfer that to the Windows 7 machine.
Download Unlocker to delete the Windows 7 files contained within the C:\Program Files\Windows mail and replace them with the ones from Vista.
Download Unlocker here:
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After yopu install Unlocker it will appear on the right-click menu. Choose each file, then choose Unlocker and a dialog box will popup Under action, choose delete.
If a box comes up stating there are other processes using the file, choose Delete,, then Unlock All.
Now double-click on winmail.exe.. you can also drag a shortcut to the desktop
Credit goes to jimbo45 for this hack.