Now what does a domain cost these days? Afaik less then US$ 9.
If you think SPF will stop spam then you're wrong. If in use and checked for it will stop most of the spoofs, joe-jobs and alike.
This includes viri that will spoof the FROM. So no more MS updates from home users :-) if MS would implement it and your server understands SPF.
B.
At 10:14 08-09-2004 -0700, you wrote:
yes, but if they're using a legit domain it makes them easier to block, and it can't be too cost effective to buy thousands of domains just so you can have SPF on all of them and constantly switch to get around blocks. Of course the next step the spammers will want to take is to start their own registrar (if they haven't already).
On Fri, 3 Sep 2004 22:31:45 -0500, Chris Scharff <[EMAIL PROTECTED]> wrote: > From the Captain Obvious category: > > Spammers using sender authentication too, study says > Sender ID technology may not be effective at stopping spam, CipherTrust > survey finds > http://www.infoworld.com/article/04/08/31/HNspammerstudy_1.html > > "A check of approximately two million e-mail messages sent to > CipherTrust customers between May and July showed that only about 5 > percent of all incoming messages came from domains that published a > valid sender authentication record using Sender Policy Framework (SPF) > or a newer standard, backed by Microsoft, called Sender ID. Within that > 5 percent, slightly more is spam than legitimate e-mail, said Paul > Judge, chief technology officer at the Atlanta company."
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