Configuration delema.
I have to setup ADDS and an Exchange server. I have machine for the primary domain controller and another machine that will serve as a backup (secondary) domain controller and the Exchange server. Both servers are running Server 2008 R2 Standard. The exchange serve will be Exchange 2010. In some research I read that it was recommended that the inside domain be a sub-domain rather than the old method of using .local. I did this but then the Exchange server of course creates the email address as username@subdomain.domain.orr. This is a problem because everyones email is username@domain.org. As I recall you could have this account also receive mail from another address, but I could not find that in Exchange 2010, so I totally redid the domain, but used the legitimate name domain.org. Now I can send email inside the domain, but have not been able to set up connectors to the present hosting pop server to send and receive mail This was not that complicated in server 2003. I am at a point where I need to get this right and dont want to bandaid it. I can redo the domain if needed because I am the only one really using it. I guess the question is should I name the inside domain domain.local and do this the old way or leave it as the domain.org and resolve the configuration. We want to continue using the hosting pop3 server, so we do not want to use an mx record on the isp side to direct mail to the inside exchange server. What would be the proper way to set the secondary domain controller/Exchange 2010 server to get the mail from the existing pop3 server and what should the inside domain be named?
May 26th, 2012 8:28pm

Do you mean Dilemma? Why create a subdomain? Why not just use your public domain? All you'd need to do is create a split-brain DNS where you have DNS servers for your domain that are used internally. Your internal DNS has records that point to internal addresses for resources when appropriate or external when not, such as when they're hosted. That way it's much less confusing for your users. The only time I think it makes sense for a subdomain is when you have a non-Microsoft DNS internally and can't or don't want to change to Microsoft DNS. Using the same domain is less confusing for your users. Let me give you one compelling reason to make your AD domain the same as your external domain: It simplifies your certificates because you don't need to bother with webmail.local or webmail.subdomain.company.com names. Your e-mail domain doesn't have to be the same as your Active Directory domain. When you first install Exchange, it will configure your AD domain as the default SMTP domain, but you can change that very easily in accepted domains and e-mail address policy. Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
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May 26th, 2012 9:30pm

Okay, great, so I leave it the same as the external domain. Then is it possible to still use the hosting server and set up the internal Exchange server to get the mail from the pop3 server? I did this with SBS 2003, but but I can't seem to make it work with the current configuration. As I stated earlier I would like to let the hosting server remain the same and have exchange fetch the mail from them. If I put an ip address out on the internet and have the hosting service ad an mx record for the internal exchange server, won't that route all of the mail for the organization directly to the internal exchange server?Kerry M. Guillory
May 26th, 2012 9:39pm

Forgive me for my rudness. Thank you Ed Crowley for your promt reply.Kerry M. Guillory
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May 26th, 2012 9:43pm

The POP3 connector is not part of Exchange for a reason: It is a great big kludge. (It is part of SBS, but it's still a great big kludge.) Mail was designed to be routed using SMTP. Work with your ISP to route your mail to your Exchange server instead of trying to pull it with a POP3 connector. Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
May 26th, 2012 9:57pm

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