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I've MS ISA 2006 and MS Exchange 2003. I point my MX record to MS ISA. My intention was, WAN user will not sending email directly to MS Exchange. What I;m supposed to do was, email will reach MS ISA first and then it will forward it to MS Exchange. how can I do that and what possibly rules shall I configure
Name: Titan8990 Date: December 19, 2008 at 10:20:05 Pacific
Reply:
Just set ISA so that all traffic coming in on port 25 is allowed and gets forwarded to the IP address of the Exchange server. Security configuration to prevent things such as open relays will be done from within the Exchange server. The best method is using two virtual SMTP servers, one for local delivery and one for authenticated relay. You will want to forward the mail to the IP of the interface for the virtual SMTP server that accepts local delivery.
Is this your first server that is accessible to internet?
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Response Number 2
Name: eijjan Date: December 19, 2008 at 20:57:15 Pacific
Reply:
How can I possibly to do that, can you please provide detail instruction because MS ISA was new to me
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Response Number 3
Name: Titan8990 Date: December 23, 2008 at 08:58:04 Pacific
Reply:
You have to create a "Server publishing rule". From there it is not too much different from forwarding a port through a router or firewall.
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