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Connecting Exchange 5.5 to the Internet

By Danerdo ·
I am stumped and have no experience in this area. I sit two routers away from my company's internet connection. I have an Exchange 5.5 server providing internal email. Currently the user's are setup with POP accounts with our ISP and the internetservice is installed on the clients via Outlook 2000.

My questions are as follows:
1) How do I connect my server with private IP up to the internet two routers away from the internet? The router connected to the internet uses a registered IP onthe public side and NAT to our internal network.
2) With no company firewall installed at this time, what is the minimal way to connect Exchange 5.5 for internt email?
3) Will I need to have my ISP place an MX and A record in their DNS server (they provide our DNS services) to point to an internal private DNS server in my company.
4) Do CISCO routers provide mail (MX and A) record forwarding similar to a firewall.

Thanks to anyone that can educate me even a little.

Take care.

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Connecting Exchange 5.5 to the Internet

by tony.colgrove In reply to Connecting Exchange 5.5 t ...

1)& 2) If your NAT is configured correctly you can probably browse the internet from your Exchange server. If that is the case, all you have to do is install the IMS and have it use DNS to resolve email addresses.
3) You will need to have your ISPcreate a MX and A record that points to your EXTERNAL address on your router.
4) On the router you can use a NAT inside statement to then forward all IP traffic on port 25 to forward to the IP address of your Exchange Server.

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Connecting Exchange 5.5 to the Internet

by Danerdo In reply to Connecting Exchange 5.5 t ...

Outstanding response. I was provided with a good starting point. I wish to thank you for your assistance.

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Connecting Exchange 5.5 to the Internet

by Danerdo In reply to Connecting Exchange 5.5 t ...

This question was closed by the author

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