The spool directory may need to be cleaned up periodically. Under some circumstances, files may accumulate in various subdirectories, such as `.Preserve' (see section Other Spool Subdirectories) or `.Corrupt' (see section Execution Subdirectories).
Also, if a remote system stops calling in, you may want to arrange for
any queued up mail to be returned to the sender. This can be done using
the uustat command (see section Invoking uustat).
The `contrib' directory includes a simple `uuclean' script which may be used as an example of a clean up script. It can be run daily out of `crontab'.
You should periodically trim the UUCP log files, as they will otherwise
grow without limit. The names of the log files are set in
`policy.h', and may be overridden in the configuration file
(see section The Main Configuration File). By default they are are
`/usr/spool/uucp/Log' and `/usr/spool/uucp/Stats'. You may
find the savelog program in the `contrib' directory to be of
use. There is a manual page for it in `contrib' as well.
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