Stopping Spam

Stopping Spam

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Subject Author Date
Stopping Spam David MacQuigg 02-07-2005
|--> Re: Stopping Spam Michael J. Pell...02-07-2005
|--> Re: Stopping Spam Michael J. Pell...02-08-2005
`--> Re: Stopping Spam David MacQuigg02-12-2005
Posted by Michael J. Pelletier on February 8, 2005, 10:31 pm
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David MacQuigg wrote:

> Well folks, its been over a year since I posted on this topic, and the
> spam has definitely gotten worse. What's even more disturbing is that
> the articles and discussions I'm seeing are terribly pessimistic.
> Seems like nothing can be done about spam but work on better filters,
> pass more laws, or try to convince our fellow netizens not to respond
> to spam!

<snipped>

Hummm...interesting. Correct me if I got it wrong but, I believe this is how
it works:

1) User someeone@somewhere.com emails me (me@mydomain.com)

2) One of the email servers for the domain somewhere.com connects to my
email server for my domain (let's say mail.mydomain.com)

3) mail.mydomain.com checks to see if the email server has the same IP
address that is registered for the domain somewhere.com.

3A) If the email server has the correct IP, then pass the email
3B) If it does not drop the email

Is this correct?

Michael


Posted by David MacQuigg on February 12, 2005, 9:08 am
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I've written a shorter article on Email Authentication for the
Wikipedia. This is intended for non-technical readers and covers just
the issues related to authentication of domain names, not the larger
issues of stopping spam. Comments are welcome on both readability and
technical accuracy. There is a comments page with the article
intended for discussion, or we can discuss it in this newsgroup.

-- Dave

http://en.wikipedia.org/wiki/Email_Authentication



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