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OWA on Exchange

Posted on 2004-10-15
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Last Modified: 2008-02-01
I have one exchange server and want to configure this server with a public IP address so that clients can access their email over the web at home.

Is it possible to do this with the one exchange box? any ideas how i would do this?
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Question by:Avatar261
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by:Avatar261
ID: 12317961
this is an EX2003 server
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by:Microtech
ID: 12318114
very possible with one box.
What is your setup and I can help more, do you have a firewall?

you can just open port 80 and NAT it to the exchange server but I would go secure though.
http://www.petri.co.il/configure_message_security_in_owa_2003.htm

post back with details of what software you use and I will get you more info
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by:Avatar261
ID: 12318216
Yes, use a netpilot firewall at present.

All SMTP mail is forwarded by this to the exchange box. Do you need anymore info?

Do i just add the public address to the 2ND NIC? really dont have a clue how to do this!
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by:Microtech
Microtech earned 350 total points
ID: 12318462
on the firewall you have opened port 25 then... and passed this through to the internal address of the exchange server. you will need to open port 80 and point it to the exchange server also. there is a NAT configuration somewhere on the firewall config. Opening port 80 is less secure though as passwords are sent plain text.
here is a guide http://www.microsoft.com/downloads/details.aspx?FamilyID=847774D9-DB4A-444B-A5C9-D0B01958F6B7&displaylang=en

this is how to set up ssl Although it is for 2000 it is still relavant http://go.microsoft.com/fwlink/?linkid=3052&kbid=320291

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by:Microtech
ID: 12318484
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leehewson earned 150 total points
ID: 12320282
I personally wouldn't like to give an Exchange server a public IP address. The best thing to do is to use NAT on the firewall and point IP traffic for ports 25 (smtp), 80 (http) and maybe 443 (https) to the internal IP address of the Exchange server. That way mail can be delivered by you isp to the Exchange server and to use outlook web access from an external source, people can type in http://(your router/firewall ip address)/exchange. If you are using small business server 2003 then you'll have to use a scure connection for it to work properly: https://(your router/firewall ip address)/exchange. Hope this helps.
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by:Avatar261
ID: 12320785
If i did it that way could there not be a DNS entry created that pointed the external address at the server so that instead of having

http://(your router/firewall ip address)/exchange

i could have

http://<server.domain>/exchange

is that possible?
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Expert Comment

by:leehewson
ID: 12320810
Have a chat with the company you registered your domain with and ask them if they will set that up for you. I can't see it being a problem.
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by:Microtech
ID: 12320823
your mx record should do ... ie http://mail.yourdomain.com/exchange

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by:Avatar261
ID: 12320859
Would i obviously need an external record as well as an internal?
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