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Exchange , DNS and routing

By harrydavidson ·
I just recieved my static IP at home.I placed that on my Linksys router and gave my exchange server a 192.168.1.2 ip. I setup IP forwarding on the router to direct well known ports to .2.
Now, in the DNS when I create a new exchange mx record i just pointed it to the host dns record. I can send out mail but cannot recieve any. Am I missing something in the DNS?

Thanks

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by CG IT In reply to Exchange , DNS and routin ...

hummm what service are you using for mail? If your using SMTP you need to foward port 25 on your router to your exchange server. I don't think usng port triggering as a blanket port fowarding will work [I know with consumer level Linksys routers they dont' have a "blanket port fowarding option" unless you put the computer on the DMZ port and then all 65k+ ports are open and not just the well known ones [1-1022].

Another question, who has the authoritative name server for your FQDN? If your hosting your own DNS as authoritative for your FQDN you have to have your DNS server registered with your domain name registar as authoritative. Try doing a web "WhoIs" query on your FQDN and see what comes up for an IP address.

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by CG IT In reply to

note: if you previously had mail service and you've changed your IP address the TTL for DNS updates may be causing your problem. Though you have updated your DNS records other DNS servers which yours talks to might not update their records due to the TTL associated with your DNS records. You can try to force and update and see if that works.

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