On Jan 3, 2011, at 2:04 PM, Scott Howard wrote: > On Mon, Jan 3, 2011 at 10:04 AM, Ken Chase <k...@sizone.org> wrote: > >> I have two independent mailservers, and two other customers that run their >> own >> servers, all largely unrelated infrastructures and target domains, suddenly >> experiencing low levels of spam. >> > > There's definitely been a drop-off in spam levels over the past week, which > comes on top of a general drop over the past few months. >
According the to Symantec "December 2010 State of Spam & Phishing Report", spam is reducing http://www.spamfighter.com/News-15570-Spam-Volume-Continues-to-Decrease-Symantec.htm I have seen various reports relating this to the taking down of this or that botnet (see, e.g., http://www.eweek.com/c/a/Security/Botnet-Holiday-Spam-Levels-Drop-for-Christmas-566115/ ) but I would take that with a big grain of salt. Regards Marshall > Although far from a great indicator of global levels, the following two > graphs give a good idea on what's happening on a relative basis : > Past Month - http://www.spamcop.net/spamgraph.shtml?spammonth > Past Year - http://www.spamcop.net/spamgraph.shtml?spamyear > > The numbers for December are especially unusual, as with Christmas coming > it's normally one of the higher months for spam. > > The drop-off since September is mainly due to the closure of > spamit.com(Pharma spam referal company), although I haven't seen any > reports of what's > caused the drop-off in the past week or so. > > Scott. >