penghui wang ldlwsdbizcncom hello list tested three versions sa found special results sa 305 rpm dag sa 317 debian apt rpm dag sa 324 rpm dag default rule 20_head_testcf several lines like follow header __has_subject existssubject meta missing_subject __has_subject describe missing_subject missing subject header version 305 324 found whether mail subject header part missing_subject rules hitted last version 317 works great condition similar rules __has_revd __has_received etc diged one day theres result anyone meet problem please drop message thanks advances penghui wang fri 08 aug 2008 160552 0800 meta rules doesnt work special version