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Should this block spam sent from outside MSU before it reaches lists @list.msu.edu? > -----Original Message----- > From: Edward R Kryda [mailto:[log in to unmask]] > Sent: Friday, March 02, 2007 2:14 PM > To: [log in to unmask] > Subject: [MSUNAG] New spam-fighting technique for > mail.msu.edu going to DDC mailing list > > NAG has asked that we give a heads-up when we send mailings > related to computing at MSU to MSU's Deans, Directors, and > Chairs (DDC) list. > The following mailing from Tom Davis, director of ACNS, will > go to DDC soon. > > Edward Kryda > Email Team Leader > mail.msu.edu > > ============================================================== > ========= > To: Deans, Directors, and Chairs > Subject: New spam-fighting technique for mail.msu.edu > > Unsolicited commercial e-mail, or spam, annoys us all and > inhibits our productivity. Industry experts estimate that at > least 80% of all Internet e-mail is now spam. Mail.msu.edu > processes up to four million messages per day, blocking about > half as spam. > > To combat this problem, the ACNS mail team will add a new > feature to mail.msu.edu on March 7, a technique called > "greylisting." Rather than attempting to identify spam based > on the content of the message, greylisting blocks spam based > on the behavior of the remote e-mail server. > > When first installed, greylisting will introduce a temporary > delay in the receipt of incoming e-mail (as it "learns" which > remote e-mail servers can be trusted). Delays will be as > little as 5 minutes to as much as a few hours, depending on > the configuration of the sender's e-mail server. These > delays will fade within a day or so. > > Greylisting is another tool to fight the scourge of spam. Our > existing spam techniques have strained our mail servers and > introduced e-mail delays due to the sheer volume of messages > being processed. We expect the implementation of greylisting > to improve this situation. > > The ACNS mail team will carefully monitor the performance of > this new procedure. If you note any problems or have > questions, contact the ACNS Help Desk at (517) 432-6200. For > more information, please visit: > http://techbase.msu.edu/viewpathfinder.asp?id=7772&service=help > > Tom Davis, Director > Academic Computing and Network Services > >