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  • October 27, 2003 at 5:56 am #2280788

    Internal Mail server

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    by nzimmerman67 · about 20 years, 5 months ago

    I am running NAT on a W2K server. How do I forward SMTP traffic to an internal mail server?

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    • October 27, 2003 at 4:26 pm #3376201

      Reply To: Internal Mail server

      by ninet4 · about 20 years, 5 months ago

      In reply to Internal Mail server

      This question is a little broad, so I may need more information. But I will try and answer your question.

      If you have an internal mail server with IP address 10.0.0.2, and are translating that to a real public IP address of something like 65.90.40.235, then mail sent to 65.90.40.235 will go to your internal mail server. If you have a firewall, you are going to have to make sure port 25 is open inbound to your mail server, in most cases to the public IP address.

      For mail to be sent to your domain (i.e. domainname.com) you will need to have an MX record for your mail server registered with your DNS.

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