Spam and Virus Filtering

Spam and Virus Filtering with PureMessage
on Cornell's Central Mail Servers

CIT uses a tool called PureMessage to help keep unwanted messages out of your email's Inbox. PureMessage does three things:

• It prevents virus-infected email from reaching your computer.
• It looks for spam-like characteristics in all messages and for each message, assigns a probability that the message is spam.

Based on that probability, it either:

• Deletes the message (probability greater than 80%)
• Delivers the message (probability less than 80%)

Any messages sent to an address that ends in @cornell.edu are screened by PureMessage. If you are using CIT's email (postoffice) service or Cmail, or if you are an alumnus/a using Cornell's email forwarding service, PureMessage is checking your messages.

If your address ends differently (for example, with @something.cornell.edu), your department or college is routing your email (instead of CIT) and may or may not be filtering spam or virus-infected messages. Your local technical support professional can tell you.

Please use the links in the menu to the left to find out more.