This program is only for VPOP3 version 2.6 or earlier.
CHECKUIDS is a small utility that will check (and optionally fix) message UIDs in VPOP3 message folders. Note that this is normally not needed, but in some cases the UIDs may be corrupted (eg by manually moving/editing message files).
Download CHECKUIDS free of charge (22kB)
Read the README.TXT file in the download for usage instructions