Why wasn the existing spam service working?
The existing spam service was, and still is, working. For at least the last year, we have been dropping between 300,000 and 400,000 spam messages per day, but are aware, based on analysis and user complaints, that many more are delivered. This is why we’ve moved forward to increase the level of spam protection. For the existing spam service, Georgetown subscribes to a set of block lists provided by SpamHaus. SpamHaus maintains lists that contain the IP addresses (or computer addresses) of known spammers. When a new message comes into the Georgetown e-mail system, we compare the IP address of the sender against the IP addresses on the lists from SpamHaus. If there is a match, indicating that the e-mail originated from a spammer, we do not accept the message. The system sends an auto-response to the sender, which states that the e-mail system will not accept e-mail from anyone who is listed on the SpamHaus block list.
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