Your filters do not work because the msgFilterRules.dat file, which contains your filters, could not be read. A new msgFilterRules.dat file will be created and a backup of the old file, called rulesbackup.dat, will be created in the same directory.
Tu filtros non functiona perque le file msgFilterRules.dat, que contine tu filtros, non pote esser legite. Un nove file msgFilterRules.dat sera create e un salvamento del vetere file, appellate rulesbackup.dat, sera create in le mesme directorio.