qydlqcwsiacfymissuesapacheorg httpissuesapacheorgspamassassinshow_bugcgiid5830 summary msgid_outlook_invalid broken product spamassassin version 324 platform osversion status new severity normal priority p5 component rules assignedto xrhspamassassinapacheorg reportedby qmitxmehrudersportde noticed particular messageid pattern seems unique spam well least grepping lot ham corpus mailing list archives pattern never seems used legitimately anyone guys finds even single hit ham following messageid pattern regardless xmailer please let know egrep 888 hams messageids oh right summary well pattern seems broken outlook forgery first 4 hex chars missing time token seems quite right time though hence summary broken outlook style messageid msgid_outlook_invalid thoroughly checks time token validity rule broken outlook messageid header actually invalid header __msgid_outlook_888 messageid 09af809af82 header __kb_outlook_mua xmailer microsoft office outlookb meta msgid_outlook_broken __msgid_outlook_888 __kb_outlook_mua special __kb_outlook_mua would necessary bug 5774 fixed ijust went months spam corpus seems 9999 particular broken messageid hit xmailer rule hence meta rule probably wouldnt necessary though quickly gathered results hits ham found __msgid_outlook_888 whereas rule well safetynet meta rule triggers 25 spam corpora last months receiving mail assignee bug watching assignee wed 06 aug 2008 042902 0800 bug 5830 new msgid_outlook_invalid broken