MS-Exchange on a dynamic ip w/ mail mx’d from hosted domain name (and website)

5 pts.
Tags:
Active Directory
Active Directory DNS setup
DNS
Dynamic IP address
Exchange administration
Microsoft Exchange
I'm trying to set up ms exchange on a dynamic ip thats configured with my router to use dyndns.org. I'll call that example.dyndns.org. I have a hosted web and e-mail site not associated with my isp and i'll call those www.example.com and mail.example.com I already have the mx records from mail.example.com pointed to forward traffic to example.dyndns.org and I've used port forwarding on my router to point all the exchange ports to a reserved static ip on my internal network. that static ip holds my exchange server. my goal is to recieve mail for user@example.com and send it as well from user@example.com. is this even possible? i'm a definate newbie to exchange - in fact windows server is new to me. but I have a degree in computer engineering from a REAL university but we used UNIX exclusively (windows was in the business dept.) I need detailed instructions on how to set this up in active directory, AD DNS, and ms exchange server. if anyone has dealt with this before or just knows how it can be done please help me out or point me in the right direction. Thanks alot.

Software/Hardware used:
x86 dual Xeon- , ms windows server 2003, ms exchange server 2003 (which runs fine on ms server 2003)

Answer Wiki

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That should all work without an issue. The exchange server doesn’t care what the actual public IP is that you use. Within each user in Exchange just setup the default SMTP address as being your @example.com email address.

Now you may have a problem with people thinking that you are a spammer because the reverse DNS for your IP doesn’t match your inbound domain name. This can cause a lot of your emails to be rejected.

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  • Gent01
    If you have a mail account with your ISP you can configure exchange to send mail using it. If you have a SPF record you will need to adjust it to include your ISPs mail server.
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