[isalist] Re: Possible to Filter inbound publishing rules by source (remote) IP?

  • From: Jim Harrison <Jim@xxxxxxxxxxxx>
  • To: "isalist@xxxxxxxxxxxxx" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 5 Jun 2008 22:21:58 -0700

Yes.
You create a computer set and populate it with the addresses and subnets as 
specified in the EHS admin page.
Then you apply this computer set to the SMTP server publishing rule "From" tab.

Jim


From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On 
Behalf Of Joe Pochedley
Sent: Thursday, June 05, 2008 8:06 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Possible to Filter inbound publishing rules by source 
(remote) IP?

Hopefully an easy one for the ISA gurus...

Recently we signed up for Microsoft's Frontbridge spam filtering service.  As 
part of the setup, the MX record of our company has been changed to Microsoft's 
service...  (Like PostINI and other hosted filtering services.)

Microsoft recommends only allowing inbound SMTP connections from their list of 
servers.  This seems like a good idea, as I still see spam coming direct into 
our IP (old MX record) and not being routed through the service even though 
it's been more than a month since I changed the MX records...

Unfortunately, I can't find a way to make the publishing rule bend to my will 
and only accept incoming SMTP connections only from the authorized IP 
addresses.  Can it be done? If so would someone be kind enough to point me in 
the right direction?

Running ISA 2006 here.
Joe Pochedley
Network & Telecommunications Manager
The North American Mfg. Co.
email: JoePochedley@xxxxxxxxx<mailto:JoePochedley@xxxxxxxxx>

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