I prefer server publishing to the internal LAN because of the greater control I get over the traffic. DMZ-based servers are limited to using packet filtering for their traffic. This is the weakest traffic control ISA has. 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 09:11 Subject: [isalist] Re: SMTP RELAY Scenario http://www.ISAserver.org 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. > > > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: > jim@xxxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: jim@xxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')