How can a flag mail from specific mail relays as spam

[Michele Neylon :: Blacknight Solutions]

> Recently had discussions about secondary mail server giving
> us the most spam.  Some of it still gets through sa filters.
>
> Would actually like to create our own secondary and setup as
> tarpit as no valid mail should be sent to them if primary is up.
>
> Before doing the above, is there a way to flag mail coming
> from the secondary as spam ?
>
> Doesn't blacklisting from only apply to the sender domain
> and not the relays between ?
>
> Thanks
>


You could blacklist the IP of the other mail server, but how you would
implement that in a "sane" fashion whilst dealing with multiple MX records
is another matter

Mr Michele Neylon
Blacknight Internet Solutions Ltd
Hosting, co-location & domains
http://www.blacknight.ie/
Tel. +353 59 9137101

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