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Re: More sorbs blacklisting

James Stevenson wrote:
> Hi,
> What I think is needed at least for the short term is a reverse MX system.
> So if I send an email from stev.org there is a RMX record saying that server
> xyz is meant to be able to relay. This will at least stop spammers sending
> as something like user@hotmail.com yahoo.com though random relays.

That is exactly what SPF is about.

-Matt Cuttler

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