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Charles Arthur

Charles Arthur

Charles Arthur is technology editor of The Independent newspaper in London and editor of, a British climbing Web site. (November 2003)

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PostArmor: Stopping Spam at the Server

The other day I logged on to my mail server directly to have a look at what was awaiting me. A total of 115 messages - of which only 45 actually had any relevance for me, the rest being either spam, viruses unwittingly spread by Windows users, or viruses bounced by servers configured by unthinking admins believing my email address's presence in the From: field meant I was the sender. A typically depressing day on the Internet - and pretty average too, given that spam and similar junk is now reckoned to make up more than 50 percent of all email, having grown roughly tenfold in the past two years