Question for the Experts

[Kevin MURPHY]

Hi Brendan
I cannot firewall port 25, as it receives mail for many other Domains.
Thanks

-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Brendan
Pirie
Sent: 14 February 2008 16:10
To: MailScanner discussion
Subject: Re: Question for the Experts

I just went through a similar process here.  I firewalled port 25 on 
ServerA so ServerA could only receive email from ServerB.

Brendan Pirie
Manager of Information Technology
Randolph-Macon Academy
bpirie at rma.edu

Kevin MURPHY wrote:
> Dear all
> 
>  
> 
> I recently made some changes to a domains mx record. It use to be, mx = 
> serverA, which relays clean mail to Exchange Server
> 
> Because this domain was really getting hammered, I moved it to a more 
> powerful spam filtering server.
> 
> MX Record is now ServerB, which fwds clean mail to ServerA, which relays 
> it to the Exchange Server.
> 
>  
> 
> My Problem now is that some spammers are still sending mail direct to my 
> ServerA for this Domain.
> 
>  
> 
> So I am looking at a way to configure the ServerA, so it only excepts 
> mail for this domain if it comes from server (The more powerful one) So 
> it drops the spammers on ServerA
> 
>  
> 
> Thanks
> 
>  
> 
> Kevin **
> 
>  
> 
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