Contains copies of files that could not be processed.
The /var/spool/uucp/.Corrupt directory contains copies of files that could not be processed by the Basic Networking Utilities (BNU) program. For example, if a file is not in the correct form for transfer, the BNU program places a copy of that file in the .Corrupt directory for later handling. This directory is rarely used.
The files in the .Corrupt directory are removed periodically by the uudemon.cleanu command, a shell procedure.
The uudemon.cleanu command.
The uucico daemon, uuxqt daemon.
Understanding the BNU File and Directory Structure, Maintaining BNU in AIX 5L Version 5.2 System Management Guide: Communications and Networks.