Re: Stopping Spoofing
From: Joan (joane_at_discussions.microsoft.com)
Date: 01/25/05
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Date: Tue, 25 Jan 2005 12:32:17 -0500
Hi Andy,
Thanks. Yes, sadly, that is what I am asking.
Regards,
Joan
"Andy David - Exchange MVP" <adavid@pleasekeepinngcheesebucket.com> wrote in
message news:tt5bv0h34gsp0p7jekm98pt5pvoe08e761@4ax.com...
> On Mon, 24 Jan 2005 16:37:03 -0500, "Joan"
> <joane@discussions.microsoft.com> wrote:
>
>>What can we do to stop our mail server from being used in spoofing (the
>>Received from portion lists our server but the IP address is not ours)
>>other
>>than SPF? I mean, can we configure anything on our E2K3 server? From what
>>I
>>understand, SPF is done with the public DNS records, is that correct? Our
>>ISP maintains these, I am finding out if they support SPF.
>>
>>We are not being used as a relay (that hole is closed and I just checked
>>the
>>RBL lists anyway).
>>
>>Thanks,
>>Joan
>>
>
> There is not much *you* can do to prevent someone out in the Internet
> from putting your domain in the FROM: field, if thats what you are
> asking.
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