Question for the Experts
Kevin.Murphy at midland-ics.ie
Thu Feb 14 16:30:16 GMT 2008
I cannot firewall port 25, as it receives mail for many other Domains.
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Brendan
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.
Manager of Information Technology
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
> Kevin **
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