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by robert_onyuma

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Is it possible to configure windows XP/ 2000 server to accept incoming call from a phone extension in the office as a back-up for sending/receiving urgent mail in case the LAN link is down? What are the steps, if possible, used to configure it?

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by haileyan

I am not sure I understand entirely what you are trying to do. I assume you want some redundancy as protection against loss of you main internet connection?

Here is what I would recommend. Get a cheap DSL or Cable business internet connection. It should not be any more than $100 a month. Get a static IP and have port 25 routed to youe internal email server. In your public DNS settings add this new IP address as a lower priority MX server for your domain. If the main link fails new mail will continue to flow into the cable DSL connection.

A simple change of gateway on the email server will allow it to send email with no problem.

by robert_onyuma

The thing is the office operates a branch situated 300-400metres away and using a different isp for its internet connection but the pop3 and smtp server is at the main office. The phone line extension is from the main office and they can call and send/receive faxes through the line. Now sometimes the internet connection is down then mailing becomes a problem. We are on a windows 2000 server. The idea is to make it look like the two offices are operating on the same LAN.

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