Q:

Adding bug through email with a bug tracking system

Do you know any bug tracking tools that support adding bugs by sending an email to a specific address?

A:

In no specific order : 

OnTime
Details:
http://www.axosoft.com/products/ontime_overview.aspx?cn=ovr_email2ticket
FogBugz
Details:
http://fogcreek.com/FogBugz/LearnMore.html?section=ScreenshotTool
Bugzilla
Details:
http://www.bugzilla.org/features/#email-in

