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This only blocks spam that goes through mail.msu.edu directly. If mail goes directly to @lists.msu.edu then it will not be blocked by this system. Chris Wolf wrote: > 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 >> >>