I wrote:
 :0:
 * ! ^X-My-Header:
 ! another(_at_)address(_dot_)kom
And as Sean pointed out to me, the colon line should not have the second
colon in this case, as there's no point in locking a recipe like this
where the action forwards the mail to another email address.
Martin
-- 
Martin McCarthy                 /</    http://procmail.non-prophet.org
    `Procmail Companion'        \>\
     Addison Wesley             /</                  PGP key available
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