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SolutionSolutionPosted May 6, 2004 19:19 UTC (Thu) by melauer (guest, #2438)In reply to: Solution by yodermk Parent article: 82% of email is spam
>The solution, of course, is Dan Bernstein's IM2000. Read it. Be happy. I'm not convinced by this "solution". Those "brief notification" messages must either contain a little information, like a subject line, or people will have to click on them not knowing what they're going to get. Either way, these will become the new method of delivering spam. Then we'd be back where we started from. If a spammer runs their own mail server, we'd need to blacklist it. If there's an open relay out there for "brief notification" messages, it would have to be closed so spammers don't send fake ones. And so on. The proposed method would cut down on the total bandwidth used by e-mail, though. That's kind of nice. Incidentally, this system has basically already been implemented. Any number of private web forums use this. When one forum member sends a private message to another, the recipient gets a "brief notification" in the form on an e-mail. Then they login using a link provided in the e-mail and view the contents of the private message, which is of course stored on the forum's server.
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Solution Posted May 6, 2004 23:46 UTC (Thu) by yodermk (subscriber, #3803) [Link] > Those "brief notification" messages must either contain a little information, like a subject line, or people will have to click on them not knowing what they're going to get.I'd suggest they contain a subject line and sender name. Any obvious spam would then not need to be transmitted over the Net at all, at least to users who care, which would take care of a lot right there! > Either way, these will become the new method of delivering spam. But remember that it would be much easier for a responsible ISP to stop this before the worst part of the problem than it is under SMTP. If an ISP detects spam, it deletes the message at the source before most people have downloaded it. If a customer's computer is spamming with its own IM2000 server, it could simply block the receiving port to that IP. Under SMTP, if it was caught at any point after the spam was sent, it's too late. > If there's an open relay out there for "brief notification" messages, it would have to be closed so spammers don't send fake ones. It would be impossible to send fake notification messages, because the end-user's box needs the IP of the server from which to fetch the mail!
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