returned mail see transcript details original message received tue 19 jul 2005 19 57 17 0900 219 128 179 71 following addresses permanent fatal errors labra 610 docomo ne jp reason 550 unknown user labra 610 docomo ne jp expanded transcript session follows talking mfsmax docomo ne jp data 550 unknown user labra 610 docomo ne jp 554 5 0 0 service unavailable