From CALLER@test.ex Tue Mar 02 09:44:33 1999 Received: from CALLER by the.local.host.name with local (Exim x.yz) (envelope-from ) id 10HmbD-0005vi-00 for USERX@KNOWN.DOMAIN; Tue, 2 Mar 1999 09:44:33 +0000 Date: Tue, 2 Mar 1999 09:44:33 +0000 Message-Id: From: CALLER_NAME domainlist: dd=data for known.domain lpd=data for userx domain_data: data for known.domain local_part_data: data for userx Test to uppercased local part USERX@KNOWN.DOMAIN