[Asrg] Re: Spam send/receive ratio
Jim Witte <jswitte@bloomington.in.us> Wed, 19 May 2004 22:44 UTC
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From: Jim Witte <jswitte@bloomington.in.us>
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Subject: [Asrg] Re: Spam send/receive ratio
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Date: Wed, 19 May 2004 15:44:06 -0500
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> One of the distinguishing characteristics of a spammer is the > imbalance between mail sent and mail received. Unfortunately I do not > see a convenient way to penalize people who fall into this category. One idea about this (although I don't know how scalable it is) would be, if you could authenticate the sender ie DomainKeys or the like, then every sender would have a send/receive ratio (somewhere), which would be entered into the mail header in some way that it could not be spoofed (more protocol changes though). Then if a mail is received by the end-user's inbox, it could check the ratio, and decide whether to accept/reject/quarantine it. But I sill don't see a way to penalize senders who are rejected too often. Although perhaps it could be integrated into the 'delay' in creating the email-stamp/introduction-stamp (the more higher your send/receive ratio goes, the more it "costs" to send new stuff) Another possibility is of course law enforecement, but this would seem to require some centralization of the ratio information, and whose rejecting what. The send/receive ratio might also be a problem for mailing lists - maybe, I'd have to see statistics. Jim _______________________________________________ Asrg mailing list Asrg@ietf.org https://www1.ietf.org/mailman/listinfo/asrg
- RE: [Asrg] Re: Spam send/receive ratio Chris
- [Asrg] Re: Spam send/receive ratio Jim Witte
- [Asrg] Re: Spam send/receive ratio Philip Miller
- RE: [Asrg] Re: Spam send/receive ratio Chris
- Re: [Asrg] Re: Spam send/receive ratio Alan DeKok
- RE: [Asrg] Re: Spam send/receive ratio Chris
- Re: [Asrg] Re: Spam send/receive ratio Alan DeKok
- Re: [Asrg] Re: Spam send/receive ratio David Maxwell
- RE: [Asrg] Re: Spam send/receive ratio Chris
- Re: [Asrg] Re: Spam send/receive ratio Alan DeKok
- Re: [Asrg] Re: Spam send/receive ratio Alan DeKok
- [Asrg] available Internet metrics for spam securiā¦ Bill Yurcik
- Re: [Asrg] Re: Spam send/receive ratio der Mouse
- RE: [Asrg] Re: Spam send/receive ratio Chris
- RE: [Asrg] Re: Spam send/receive ratio Chris
- Re: [Asrg] Re: Spam send/receive ratio Alan DeKok