You are looking at the manual for Wusage 7.1. This product is three years old! Check out Wusage 8.0 and its remarkable new features.
Wusage 7.1 Manual
If you prefer to manually edit your configuration files, use the following syntax for this option:
The Include Proxy Sites Report (proxysitesemail) option, when it is present, instructs wusage to include the Proxy Sites report when sending its reports by email. See the Receiving Reports by Email section for more information. This option does not turn on the Chart Top Proxy Sites (proxysites) option, which must also be turned on to generate the report.
Topical Configuration Editor Reference
Alphabetical Configuration Editor Reference
Alphabetical Configuration File Reference
Glossary of Frequently Used Terms