-# XXX: Masking away the User-Agent, Date, and Message-ID makes sense,
-# since these fields are inherently unpredictable. But doing the same
-# thing with the From address is cheating. What should really be
-# happening here is that the emacs interface should be using something
-# like "notmuch compose" to construct the initial message and it
-# should be getting the user's name and email address from the notmuch
-# configuration file.
-
-output=$(sed -e 's,^From: .*,From: XXX,' \