Re: SMTP RELAY Scenario

  • From: natahi@xxxxxxxxx
  • To: isalist@xxxxxxxxxxxxx
  • Date: Tue, 8 Jan 2002 10:11:18 -0700

I will not use the ISA SMTP filter because the SMTP relay that we have
will make it. So, regarding security what is the difference between truth
trihomed DMZ and publishing method ?


> If you use the internal SMTP server publishing method, you'll also gain the
> ability to route the mail through the ISA SMTP filter / message screener if
> the relaying SMTP server is IIS- or Exchange-based.
> 
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://isaserver.org/authors/harrison/
> Read the books!
> 
> ----- Original Message -----
> From: <natahi@xxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Tuesday, January 08, 2002 02:46
> Subject: [isalist] SMTP RELAY Scenario
> 
> 
> http://www.ISAserver.org
> 
> 
> What is the best solution to implement a smtp relay ( antivirus ) and what
> is the difference in the two following cases ?
> 
> 1. By using a truth trihomed DMZ. The smtp relay is in the DMZ and will
> relay towards internal smtp server.
> 
> 2. By using server publishing method. The smtp relay is in the internal
> network and will relay towards the internal smtp server.
> 
> 
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