The data for these graphs come from most of the approximately 200 DCC servers participating in the global network of DCC servers.
big graphs 1 day 1 week 1 month 1 year 2 years 3 years 4 years 5 years
The graphs of checked mail are of mail transactions instead of addressees;
a single message addressed to 1 or 1000 people is counted as 1.
Mail messages with total target counts larger than 10 are
bulk mail and so
Messages with target counts of millions or "many" have been
declared spam by at least one target DCC client.
Such messages are
because at least one copy has been manually reported as spam,
detected as spam by a mechanism such as SpamAssassin
or sent to a
spam trap, a mailbox not used by a person
but targeted only by spam.
Spam Ratios are of
likely spam, and
trapped spam to the total number of messages.
DCC client programs can reject or discard
bulk mail that is
possible spam or
The graphs of flooded checksums are related to the total spam in the Internet. See also the DCC Reputation Graphs.
These graphs are generated from
The scripts that get and collect the data into RRDTOOL database and then render the graphs are in the DCC source.
All dates and times are in UTC, which is between 3 and 7 hours ahead of time in the U.S.
Contact Vernon Schryver of Rhyolite Software, LLC at firstname.lastname@example.org or use the web form.