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Downloading Emails with new Exchange Server 2003

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Downloading Emails with new Exchange Server 2003 - 13.Oct.2005 4:00:26 PM   
nater11

 

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Hi all, I recently installed a new Exchange Server 2003 (on windows 2003 server).  The previous Exchange server was 5.5 and was downloading and distrubuting emails fine, but the new server i configured doesnt check email.  I can send email out fine as i have configured the SMTP service.

Am i missing something big?  Do i need to install a POP3 service?

Is this error because the 5.5 server is still running? (although i shutdown the old server for an hour, still no emails come thru) 

I can also migrate users perfectly thru the network from 5.5 to 2003
thank you all!!!
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RE: Downloading Emails with new Exchange Server 2003 - 13.Oct.2005 5:09:16 PM   
kburd CH

 

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What are the settings at your firewall? NAT?  Who hosts external DNS? records?  Do you have an ISP?



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RE: Downloading Emails with new Exchange Server 2003 - 13.Oct.2005 7:20:30 PM   
nater11

 

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The is no firewall that is stopping the server, I can get to any website that i need to. 


Is there a setting somewhere in exchange to retrieve emails???

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RE: Downloading Emails with new Exchange Server 2003 - 13.Oct.2005 7:25:43 PM   
nater11

 

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Also, I've looked all over in the settings of the Exchange 5.5 server and i cannot find out how it downloads email.  Is there something big i'm missing here???  Do the clients download the email from a storage folder on the server or do they get email direct?


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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 12:31:53 AM   
kburd CH

 

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Nater,
The server does not download email but rather listens on specific port(s) for mail intended for it.  The mail has to have a clear path to travel from the sender on the internet to your exchange server.  That means that it must be directed by a mx record that is hosted by whomever manages your external DNS. Your current mx record says "server 5.5 is at this public IP address"  Now you need an mx record that says "server 2003 is at this public IP address" On your firewall, which I hope you have on the perimeter of your network, you have a Network Address Translation rule that says "This public ip address of server 5.5 is going to be translated to my internal IP address of x.x.x.x (the IP address of your 5.5 server) Now you need to change it to translate to the internal addess of your 2003 server.
Can you correctly identify and list the components of your network here please? Do you know what/where your mx records are? I am a little concerned that you refer to "downloading" of email.  Perhaps I am missing something.
Good Luck
Kevin

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 1:44:56 AM   
nater11

 

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kevin, you are right i think.  and if you can help me with this, there's a nice reward for ya, trust me.
there is a router/firewall here, it distributes a dhcp server giving off IPs.  the old server is 192.168.1.100, the new server on the same network is 192.168.1.241.  Who should i contact about the MX records?  my ISP(which is TDS)?, or someone like network solutions?.

thanks kevin!

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 11:38:35 AM   
kburd CH

 

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Promises, promises....

First and foremost I hope you did not let your exchange server pickup a dhcp address, rather you astutely assigned it a static IP. Second, you need to call or email your ISP and have them go over your DNS records with you. Third, find someone that understands how to configure the router/firewall and can configure the NAT table.  If not you have your work cut out for you unless you use PIX or some other firewall that has a GUI.

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 12:12:19 PM   
nater11

 

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Kevin, i did let the server pickup a DHCP IP, but then i made the same IP static.  The server is simply 192.168.1.241.  (the old server is 192.168.1.100).
We have a linux computer here that does the DHCP/router/firewall (also does VPN but not working right now).  I can get into this server by using internet explorer.  it has a simple GUI.  I should be able to change the NAT there, correct?
Also i will contact TDS (our ISP) for information on the DNS and MX records.

any other help you can think of would be great.  shoot me an email with your mailing address if you want... promises, promises..... krake@charter.net

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 12:49:47 PM   
kburd CH

 

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good. Now make sure you add that address to your exception list...or find someone that knows how. Also, remember to add the DNS on the Exchange now that its static if you havent already. As far as NAT, yes you should see an entry for it in there.  Yes, NAT table is in there...in the Host/Network area

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 1:55:58 PM   
nater11

 

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quote:

Also, remember to add the DNS on the Exchange now that its static if you havent already


kevin, not sure if i did this, what setting in exchange 2003 would this be under?

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 3:05:43 PM   
kburd CH

 

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DNS settings on the Windows Server NIC that houses Exchange.  Same place as where you assigned the static IP

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 3:09:43 PM   
nater11

 

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the DNS setting on my windows NIC is 127.0.0.1   i have configured DNS on this server and it's running well, do i need to configure it in exchange yet?

thanks

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RE: Downloading Emails with new Exchange Server 2003 - 14.Oct.2005 3:57:45 PM   
kburd CH

 

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Nater, Nater, Nater....

Not the local loopback address.  ugh.  Im going to start drinking.  Research DNS please and get back to us.


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RE: Downloading Emails with new Exchange Server 2003 - 17.Oct.2005 11:50:15 AM   
nater11

 

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I got into the  firewall / DHCP server thru my web browser and found the place where Port Forwarding points to my exchange server.  Do i need to add another forward here then delete the old one?  Would i also still need to contact my ISP for MX record changes???

< Message edited by nater11 -- 17.Oct.2005 12:09:05 PM >

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Post #: 14
RE: Downloading Emails with new Exchange Server 2003 - 17.Oct.2005 2:18:48 PM   
jiambor

 

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no.  Your MX record should point to your firewall.  You then just need to redirect the firewall.

To find your MX record:

nslookup -q=mx <YOUR DOMAIN ie. domain.com> <IP ADDRESS OF AN EXTERNAL DNS>

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RE: Downloading Emails with new Exchange Server 2003 - 17.Oct.2005 2:50:08 PM   
nater11

 

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thanks jiambor,

now when i switch the firewall to my new exchange server's IP address and try to send an email there, my mail gets bounced back with errors!  I think i need some extra settings in Exchange 2003.  Clients can send emails out no problem...  why do you think the incoming mail gets rejected?  what settings do i need to configure yet in Exchange?  X400???

thank you!

(in reply to jiambor)
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