QUESTION POSED ON: 10 July 2007
We have POP3 and IMAP set up on our two bridgehead servers, and we have a fully qualified domain name (FQDN) set up in DNS (we'll use smtp.client.com for the example). This FQDN is pointed to one particular bridgehead.
When the client tries to access smtp.client.com, and the specific mailbox that he is trying to access is on the server to which the FQDN is pointing, the user can access POP3 and IMAP. However, if the FQDN is pointed to the other bridgehead server, which does not contain the actual mailbox, the client is unable to access the mailbox.
Is there a way to set up the FQDN to allow the users to always access any mailbox on any server? Which server does the FQDN need to point to for this to occur?
We have two front-end servers, about 15 routing groups, several bridgeheads for the routing groups, two main Internet gateways (one that's a primary inbound and one that's secondary using costs), and about 35 mailbox servers. We are almost completely migrated to Exchange Server 2003 Service Pack 2, with a couple of exceptions where the server is still Exchange 2000 Service Pack 3.
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