If you use Gmail and you get a lot of e-mail that requires the same response, Google has the tool for you.
If you're sick of typing out the same reply every time someone emails you with a common question, now you can compose your reply once and save the message text with the "Canned responses" button. Later, you can open that same message and send it again and again.
Google Labs Offers Canned Responses For Gmail 
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