RE: Two Internal Networks
- From: "Andrew English" <andrew@xxxxxxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 7 Nov 2005 10:09:43 -0500
Interesting Tom,
Though I have to ask if IMF is installed in Exchange doesn't it still
operated if you relay to Exchange server?
Andrew
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Monday, November 07, 2005 4:47 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Two Internal Networks
http://www.ISAserver.org
Here's a goodin:
http://isaserver.org/tutorials/Mail_Relay_Scenario_Using_Mail_Essentials
_60_for_SMTP_Gateways.html
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://spaces.msn.com/members/drisa/
Book: http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
**Who is John Galt?**
> -----Original Message-----
> From: Paul Noble [mailto:pnoble@xxxxxxxxxxxxxxxxxxxxxxxxxx]
> Sent: Monday, November 07, 2005 3:31 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Two Internal Networks
>
> http://www.ISAserver.org
>
> I'd do as suggested, have the email dns pointing to the ISA server
> external, have a rule pushing all smtp to an internal smtp server
> which would then route it to the two different subnets and have the
> smtp server software sort out what goes where.
>
> We use Trend MSS to do this here and it allows us to put in AV and
> content rule filtering for all.
>
> The exchange boxes remain unchanged, the ISA server remains unchanged,
> the smtp server is separate from the whole solution so you can stop
> the flow at any time, if the subnets go down the mail is queued in the
> smtp server.
>
> It runs on a bag of spanners pc so no real money outlay there, and if
> you're dealing with a very small subnet rather than a enterprise lan
> then it doesn't cost much either.
>
> I dare say there are open source versions that do this just as well.
>
> -----Original Message-----
> From: Andrew English [mailto:andrew@xxxxxxxxxxxxxxxxxxxxxx]
> Sent: Saturday, November 05, 2005 1:29 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Two Internal Networks
>
> http://www.ISAserver.org
>
>
> In one of my previous posts I asked about running two internal
> networks through ISA 2004 Server.
>
> Now I have question. If both companyA and compayB have their own
> Exchange servers, how do I go about configuring ISA 2004 to push all
> mail incoming in on port 25 from mail.companyA.com to companyA, and
> all mail.companyB.com to companyB?
>
> Thanks
> Andrew
>
>
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