Carl Parrish wrote:

>
>>>
>>> >
>>> Perhaps I should make this a separate thread however I feel the need to
>>> bring this up. The open source community is going to have to address
>>> these concerns before M$ does. If we do it we have a small chance of
>>> keeping the standards open if M$ comes up with a viable (or even
>>> believable ) solution before we do we can say goodbye to an open
>>> internet. Everyday now I receive bounce mail that I never sent out. I
>>> have to assume that some spam list somewhere is sending spam out
>>> claiming to be from me. We have to be able to stop that. It 
>>> shouldn't be
>>> too hard to create a mailing list that only allows signed messages
>>> though. But perhaps we should be thinking on a grander scale how 
>>> about a
>>> mail server that only routes gpg signed  msgs. How about a mail filter
>>> that puts all unsigned messages in a seperate folder.  None of the
>>> current issues with mail are really big. In fact I believe the
>>> technology is mostly there already but if we don't put them all 
>>> together
>>> (think napster) M$ is going to hijack the web.
>>>
>>> -- 
>>> Carl Parrish(cparrish@carlparrish.com)
>>> http://www.carlparrish.com
>>> -- 
>>> Registered Linux User #295761 http://counter.li.org
>>
>>
>>
>> I think that prior discussions on this issue had concluded that the 
>> "sending" ISP needs to verify that the sending user is who he/she 
>> says they are.  Earthlink uses SMTPAUTH.  If that is not adequate, 
>> what is?
>>
>>
>>
> What happens when the spammer *is* the ISP?
>
Then instead of blocking spammer@isp.com you block isp.com
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