Use this setting to generate DNS Whitelist Filter statistics for each
connecting host found
in a DNS Whitelist site. There is no default setting, but in the absence
of this setting, the
SMTP task maintains statistics that track the total number of connecting
hosts that were found
on the combined DNSWL of all sites combined, as well as how many were
found on the DNSWL of
each configured site.
0 - Host specific DNS Whitelist Filter statistics are not generated by
the SMTP server.
1 - SMTP server generates host specific DNS Whitelist Filter statistics
which indicate the total number of hits per DNSWL site, per connecting host's
SMTPExpandDNSWLStats = value