Spammers sending directly to my server instead of going to anti spam server

Posted on 2009-04-28
Last Modified: 2012-05-06
Hi guys.

I have subscribed to message labs anti spam service.

messagelabs server mx 10
my server                 mx 20

Normally by default, email will be routed to the message labs server and scanned for spam before sending to our server.

However, some messages are not scanned by the anti spam and sent directly the inbox.

I checked and found that the spammers are sending direct to the server.

Does anyone know what i can do to make sure they send email to my anti spam without sending to my server?

Do I need only one mx record (message lab) and exclude other server record?
I am using exchange 2007 and server 2003.

Question by:moneywell
    LVL 12

    Expert Comment

    by:Steven Wells
    You may like to remove your MX record entirely. I guess the spam systems will try all mx records listed as possible hosts.

    Author Comment

    so i leave only message labs mx record only?
    the others i leave it as it is?
    LVL 12

    Accepted Solution

    Yeah, just remove your MX record of 20, leave all other settings alone. This means that the mesasge labs host is the only one that will be seen. I would try that.  It just means that if someone tries to send an email to message labs and they are down, it will fail. But i guess that would be pretty rare.

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