请首先保证你环境中有一台Exchange 2003服务器，如果您的服务器支持LDAP，您可以使用Migration Wizard直接从Linux/Unix 服务器获得账户信息。
a) Configure the migration wizard according to the following article:
http://support.microsoft.com/?id=197330
b) Run mailmig in the bin folder of Exchange 2003
c) Click Next on the welcome page
d) Select Migrate from internet directory (LDAP via ADSI) , click Next
e) Click Next on the Next page
f) Select Extract migration files only, fill a valid path name in the “Path to
migration files” field, click Next
g) Enter the server name, port number as well as credential information, click
Next
h) Navigate through the directory tree, and select the container you want to
migrate, click Next
i) Select the accounts you want to migrate, click Next
j) Wait until the task finished, click Finish
You will find the files are export at the subfolder of the folder you fill in step
f) If the directory doesn’t support LDAP, you must export a copy of users
information file, and edit it to meet the requirements.
共存问题：
Share a Simple Mail Transfer Protocol address space
http://support.microsoft.com/kb/321721/
Your expertise never fails to impress :)
