[14:03:20] filtering message (incorporation)
            message file: /home/mykilx/.claws-mail/imapcache/mykilx.com/mike@mykilx.com/INBOX/60376
            Date: Mon, 10 Mar 2008 17:58:37 +0000
            From: "Le Zhang (r0bertz)" <r0bertz@gentoo.org>
            To: gentoo-commits@lists.gentoo.org
            Subject: [gentoo-commits] gentoo commit in xml/htdocs/doc/zh_cn: metadoc.xml

<snip>

[14:03:20] processing rule <unnamed> [ header "X-BeenThere" matchcase "gentoo-commits@gentoo.org" move "#imap/Mike/INBOX/gentoocommits" ]
[14:03:20] checking if message matches [ header "X-BeenThere" matchcase "gentoo-commits@gentoo.org" ]
[14:03:20] * NOT OK: message does not match

<snip>