VPOP3 creates a file called SUMMARY.LOG in the VPOP3 directory which contains summary information which is compiled daily into a daily summary reports sent to the administrator.
VPOP3 can keep these summary logs in a subdirectory called SUMMARIES in case you want to do further processing on them. This article describes the format of the summary log files for you to use when parsing them.
Each line of the file is a separate record.
The line contains 4 elements
The Date/time stamp is the date & time that this record was added The item code is one of
So, if you want to see how much data was downloaded by the POP3 client component in VPOP3, scan through looking for lines where the item code is '6' and add all the values together.