/DELETE [=BEFORE=time | =SINCE=time]

    Optional. Default: Files not deleted.

    Deletes each control file without a corresponding queue entry.

    o  =BEFORE=time

       -  Deletes files created before the specified time.

       -  Default: Current date and time.

    o  =SINCE=time

       -  Deletes files created since the specified time.

       -  Default: Deletes all files.

    Use the /DELETE and /REPAIR qualifiers on the same command line
    only if their time frames do not conflict.

    The following command requeues lost mail created since yesterday
    and deletes all previous mail:

    TCPIP> ANALYZE MAIL /REPAIR /DELETE=BEFORE=YESTERDAY