RE: Two Internal Networks

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 7 Nov 2005 00:29:26 -0600

Hi Tim,

Are you saying that using remote domains enables you to do single smart
host delivery? Yes, that's true. That's why you need to put up two SMTP
servers (either virtual SMTP servers on the same IIS SMTP service or two
separate boxes).

Next week

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: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx] 
> Sent: Sunday, November 06, 2005 9:12 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Two Internal Networks
> 
> http://www.ISAserver.org
> 
> I got ya...  you're saying all SMTP traffic gets published 
> from the ext int 
> to the 3rd leg, and the 3rd leg will do domain based 
> smart-host delivery to 
> legs 1 and 2, which publish to the respective internal 
> Exchange boxes...
> 
> In that private email, you were talking about the screener 
> doing that, but 
> the IIS SMTP service can only do single smart-host delivery, 
> right?  What 
> did you have in mind for domain-based smart host delivery?
> t
> 
> ----- Original Message ----- 
> From: "Greg Mulholland" <greg@xxxxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Sunday, November 06, 2005 6:41 PM
> Subject: [isalist] RE: Two Internal Networks
> 
> 
> > http://www.ISAserver.org
> >
> >
> > This is a multi-part message in MIME format.
> >
> 
> 
> --------------------------------------------------------------
> ------------------
> 
> 
> Thor
> 
> From what i get. he's got two network behind one ISA. Now i 
> am assuming that 
> this (the second network) is a new one. Otherwise, they must 
> have thier own 
> firewall and internet connection somewhere or he must have 
> something going 
> on serving up a gateway/firewall functionality to that 
> network. Even if that 
> is the case, the easiest way is put a third nic in the ISA 
> box and publish a 
> mail relay server.
> 
> ________________________________
> 
> From: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
> Sent: Mon 7/11/2005 1:28 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Two Internal Networks
> 
> 
> 
> http://www.ISAserver.org
> 
> Can you draw out the network?  I'm confused on exactly how 
> you've got the 2
> separate nets going... You have 2 clients sharing one ISA server?
> 
> t
> 
> ----- Original Message -----
> From: "Andrew English" <andrew@xxxxxxxxxxxxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Sunday, November 06, 2005 5:55 PM
> Subject: [isalist] RE: Two Internal Networks
> 
> 
> http://www.ISAserver.org
> 
> 3 NICs??
> 
> Why couldn't one use setup SMTP under IIS on ISA and have the Exchange
> rule push the SMTP over to the ISA box and out through either network?
> 
> Andrew
> 
> 
> -----Original Message-----
> From: Steve Moffat [mailto:steve@xxxxxxxxxx]
> Sent: Saturday, November 05, 2005 11:12 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Two Internal Networks
> 
> http://www.ISAserver.org
> 
> 3 nics and windows rras
> 
> -----Original Message-----
> From: Andrew English [mailto:andrew@xxxxxxxxxxxxxxxxxxxxxx]
> Sent: Saturday, November 05, 2005 12:04 PM
> To: ISA Mailing List
> Subject: [isalist] RE: Two Internal Networks
> 
> http://www.ISAserver.org
> 
> That's find but I have two networks with two different IPs. 
> 192.168.x.x
> and 10.10.x.x so how do I redirect the SMTP if the machine sits on one
> network or the other?
> 
> Andrew
> 
> 
> 
> 
> 
> 
> 
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