Most folks dislike spam in their e-mail. Spam takes up our network, disk, and cpu resources. It requires that we weed through unwanted messages to find the ones that we requested. (I'm not going to try to convince you that spam is not good, you can check out some of the anti-spam resources listed in the relevant links section below, if you're interested.) Fortunately, we have many points along the network at which we can implement spam filtering, particularly:

• SMTP daemon;


• local mail delivery agent; and,


• the e-mail client

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