Article ID: 146556
Article Last Modified on 10/28/2006
APPLIES TO
- Microsoft Exchange Server 5.0 Standard Edition
This article was previously published under Q146556
SUMMARY
This article discusses the method that the Internet Mail Service uses to obtain the IP address of the recipient's server when the Internet Mail Service is configured to deliver messages using DNS.
MORE INFORMATION
When the Internet Mail Service is configured to deliver messages using DNS, it uses the following method to obtain the IP address of the recipient's server:
- The Internet Mail Service queries the appropriate DNS server for mail exchanger (MX) records.
- If the Internet Mail Service is unable to obtain the IP address by querying the DNS server, it requests the following information from the Windows NT server:
- Address (A) records
- Address (A) records
- Alias (CNAME) records
- Alias (CNAME) records
- WINS servers
- WINS servers
- LMHOSTS file
For information about problems that can arise when you attempt to establish TCP/IP connections using DNS, please see the following articles in the Microsoft Knowledge Base:
Additional query words: internet mail connector imc resolution
Keywords: kbnetwork kbusage KB146556