Subject:
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Re: "EarthLink.Net" = spam ?...
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Tue, 8 Aug 2000 05:12:54 GMT
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Reply-To:
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[mattdm@mattdm.]NoSpam[org]
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Viewed:
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122 times
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Franklin W. Cain <fwcain@yahoo.com> wrote:
> But what I can't see is why the protocl doesn't do this:
It's an old protocol, designed before people even thought about problems
like this.
> a. "ping"/"finger"/"whois"/[whatever] the "From"
> with the supposed domain;
> b. If supposed domain denies existence of "From",
> then discard message, else send message onward.
finger, probably, or the equivalent. One problem with this is that having
sites give out information about the existence or nonexistence of given
usernames is a security flaw in itself -- that's why most sites have finger
turned off these days.
A more serious problem: what if someone decides that a good address to send
spam from would be "fwcain@yahoo.com"?
Or, what if the network between the sending computer and the receiving goes
down temporarily? Should messages get trashed for that? Or what if you
cancel your account just after sending out a change-of-address message to
all of your friends?
--
Matthew Miller ---> mattdm@mattdm.org
Quotes 'R' Us ---> http://quotes-r-us.org/
Boston University Linux ---> http://linux.bu.edu/
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Message is in Reply To:
 | | Re: "EarthLink.Net" = spam ?...
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| You're right in that the "real" sender's identity (or at least, sending location) can be traced via the headers, etc., and I know how to change my options to see all the headers/trailers/etc. I can see now how they could fake a return address and (...) (24 years ago, 8-Aug-00, to lugnet.off-topic.geek)
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