i'm using mailman 2.1b1, python 2.2. qmail-to-mailman.py In qmail's current log file i can find: @400000003caa2c9b1d4d0f7c delivery 67: deferral: exceptions.OSError_[Errno_2]_No_such_file_or_directory/Line_103/ # cat /home/mailman/.qmail-default |preline /usr/bin/python /home/mailman/qmail-to-mailman.py thanks, valter