Should the internal email (coming from my domain and destined to my domain) go through this connector based on...
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the * in the address space, or will Exchange Server realize that the recipient is in my domain and not utilize the SMTP connector? I saw a few internal email messages utilizing this SMTP connector. Have you seen this before?
The actual message handling architecture of Exchange Server 2003 requires that all email messages be categorized. Categorization expands distribution groups and queries Active Directory (AD) to see if the recipients in the To: line matches any mailboxes within your Exchange Server organization. If, and only if, the email address is not found in AD will Exchange Server query a public DNS server, or route to a smart host for external name resolution.
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