On Sun, 2011-09-11 at 13:47 -0700, rutra80 wrote:
> Hello, lately I receive spam which looks like coming from my domain,
> sometimes it is spoofed like coming from accounts that don't exist, and
> sometimes from the ones that really do. The only SA rule that it triggers is
> Bayesian one, with nearly 100% probability - it assigns 3.5 points, but my
> rejection limit is set to 4.5 and I'm not eager to lower it. What would be
> the most elegant and technically correct way to get rid of the problem?
>
Some spammer is forging your host name as sender and randomly generating
user names.

Set up an SPF record for your domain and make sure its valid by testing
it with a validation tool.

SPF references
==============
<http://www.openspf.org> provides an overview, documentation and SPF
record builder wizards.

<http://www.kitterman.com/spf/validate.html> has test tools to validate
your SPF record after its built and again when it has been installed.


Martin


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