set reply-to error

To: mutt-users@xxxxxxxx
Subject: set reply-to error
From: hce <webmail.hce@xxxxxxxxx>
Date: Mon, 26 Nov 2007 12:27:45 +1100
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Hi,

I've got an error for set "set reply-to=MyEmailAddress". How do you
set the reply-to?

Thank you.

Jim