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From: Rich Matheisen [MVP] on 15 Mar 2010 09:50
On Mon, 15 Mar 2010 10:35:01 +0100, "Tim Roelands" <no(a)mail.com>
>I receive repeatly this kind of messages;
>We use our own Exchange server to sent en receive email. What can be done to
>prevent receiving this fals messages?
[ snip ]
>Received: from host2.india-to.net (host2.india-to.net [188.8.131.52])
> by mx.google.com with SMTP id 3si157254pxi.28.2010.03.03.17.33.34;
> Wed, 03 Mar 2010 17:33:35 -0800 (PST)
>Received-SPF: neutral (google.com: 184.108.40.206 is neither permitted nor
>denied by best guess record for domain of nelleke.smits(a)iv-support.nl)
>Authentication-Results: mx.google.com; spf=neutral (google.com:
>220.127.116.11 is neither permitted nor denied by best guess record for
>domain of nelleke.smits(a)iv-support.nl) smtp.mail=nelleke.smits(a)iv-support.nl
Is this your domain? ----------+
You can start by publishing a SPF record for your domain in your DNS.
Once other servers begin to no longer accept e-mail using a spoofed
address the number of these incidents should decline (they'll never
MCSE+I, Exchange MVP