Exchange 2003 specific DNS issues?

I set up exchange 2003.
set up mailboxes as well.
the thing is that I can access Outlook Web Access only on my exchange server and that too by writing the
https://FQDN/exchange and the FQDN includes my machine name as well so basically the whole URL is machinename.domainname/exchange.
and this only works on a browser on the same server as the exchange server.
Any other computers on the LAN or outside the LAN are not able to access it.
Otherwise on the exchange server I can send and receive emails.
I believe it is an issue where other computers cannot connect to my exchange server.

What do you believe could be the problem?
Do i need to add any reverse look up zones? would that help?
Really need some good help here. urgent please.

Who is Participating?
seeflatConnect With a Mentor Commented:
Sorry for the delay. Haven't been getting notifications :(

So can you telnet into the service on the computer that is supposed to be running the SMTP service (effectively the localhost)?
If you can't telnet into via the localhost then its a service issue and not dns.

Also, only having an MX record would not be sufficient for name resolution. You will need to have an alias or host as well.

Total shot in the dark here, but maybe you only have the MX record setup. It sounds like a DNS thing to me. I would check that first.

jadbeAuthor Commented:
what do you mean "only" the MX record.
What are the implications of that?
jadbeAuthor Commented:
ok, it cannot send mails outside the domain name as well..
if I send it to hotmail or something, it is not received.
You believe there is some problem with the outbound mail settings or ports?

It said somewhere in the documentation to check if SMTP is working or not to try using telnet because it is supposed to work on port 25...
however when i do telnet (domain name) fails to connect..
how do i solve this problem???
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