Spam remains a problem on the Internet and much of that spam comes from rogue email servers--often computers unwittingly infected with rogue software. ICIT plans to implement important email spam filtering changes to further reduce the amount of email spam that is received by Hunter email users. These changes (called SMTP Rate Control) should not affect any email from legitimate sources, but HC Mailguard will begin to block email from servers that send excessive amounts of spam. The implementation will be in phases to allow time for email administrators to respond to increased email security. PHASE ONE: December 6, 2007. Email sent from servers that send 100% spam will be rejected by HC Mailguard. PHASE TWO: February 19, 2008. Email sent from servers that send 95% spam will be rejected by HC Mailguard. PHASE THREE: February 26, 2008. Email sent from servers that send 75% spam will be accepted by HC Mailguard, but at a much slower rate than usual. A more detailed description of these changes is being sent to known Lab and LAN administrators. If you know of someone in your department running an application or server that sends email, and they would like details, have them contact us via [log in to unmask] or via phone at the ICIT Helpdesk.