Exchange not delivering mails to other server on same domain

15 pts.
Exchange 2003 configuration
Exchange 2003 POP accounts
Microsoft Exchange 2003
Hi! I have setup a Exchange server for my company to get all their mails from our ISP to our exchange mailboxes, which works fine, but I have three people who work at another branch which dial-up to retrieve their mails, which also works fine, but if I send a mail to one of the three people my exchange send me a message back to say that the people don't exist in my organisation, which I understand, because the poeple are not created in my Active Directory. What do I have to change so that the thing works again? Thanks for the Help.

Answer Wiki

Thanks. We'll let you know when a new response is added.

Is your ISP managing your mail? Do the branch employees dial-up to the ISP or to the Exchange server?
Why would you invest in an Exchange Server and continue to use ISP POP3 e-mail?
Have your ISP change your MX records to point to your Exchange Server.
Add your Branch employees to your AD and have them get their E-mail from Exchange either with a VPN connection or through Outlook for Web Access.

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  • Asonic
    Hey ITAddict! Thanks for the answer....... ok.... My ISP is managing our mail because it is to expensive for us in Africa to use our own domain, so our ISP manages that for us. The other Branch of our company does not dialup to our exchange server, but to the ISP to retrieve their mails directly from the ISP. I have though aswell about taking the Exchange server away, but unfortunatly the employees want to share their calendar and tasks with each other. I know that Outlook also has something like this, but that works over the internet if you don't have an exchange server. Unfortunatly I cannot use that option as our telecom this side limits our ADSL to 1Gb internet traffic per month, so I'm running sort of out of options. I was just wondering if there was a setting that one could change on the exchange server to exclude 4 email addresses so that those mail can leave the server.
    15 pointsBadges:
  • ITAddict
    Try this KB article. it may be what you are looking for. How to share an SMTP address space in Exchange 2000 Server or in Exchange Server 2003:
  • ITAddict
    the link didn't seem to work.
    875 pointsBadges:

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