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Exchange Server in a Small office

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by dpsethi 1 view

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hi,
I am trying to setup messaging system for my internal small office setup with 50 users. I don't have a valid domain name registered. what i did was this.
I installed exchange 5.5 server on my NT server domain controller and configured it for my internal interwork messaging system. it works fine within the network, but no email is routed to the internet. I checked my Internet mail service and all the outbound messages are just queuing up but is not forwarded..
I want to know whether can i send my users emails to internet , even though i know that incoming mails won't come in because i don't have a registered internet domain name.
I just want the mails to be routed out of my network to addresses like hotmail, yahoo...etc..
is it possible?

5 replies

by khinton

If you registerer a domain name and have the hosting company assign you an IP address, or if you have a permenant net connection get them to assign you na IP address this will fix you problem. The mail won't go out as it does not know where to got. Your server is the last hop and then nothing. Best hardware would be a router

by chris scharff

Well, the best answer I can give is maybe. Some receiving mail servers may reject your mail based on the lack of a valid domain name, but some ought to accept it.

Is there perhaps a firewall or network issue preventing your server from accessing other mail servers on the internet on port 25? (Many ISPs now block access to any mail server but their own on port 25).

To test, from the console of the exchange server open a dos window and type the following:

telnet mx1.intesolve.com 25

That's the mx record for my domain... if you can't connect to it, then a proxy, firewall or other network config problem is probably what's going on rather than an issue with Exchange.

by chris scharff

Perhaps some feedback on what the results of our suggestions were and what additional information you require?

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