Adding New Domains to the MTA
There are several ways to add new domains beyond the initial domain configured during the installation process. Each of these methods offers its own advantage and disadvantages. The recommended method to manage additional domains is via the LDAP directory as per the documentation. This provides the advantage that all MTAs in your messaging environment get the same information with one update rather than having go to each and every MTA to manually edit the files. Additional benefits include reducing the risk of typos (for example, one of your four MTAs has a typo of edfg.com rather than defg.com) and having to restart the MTA to recognize the change. So it pays to learn to use LDAP to manage your domain names.
The ...
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