Sun Java System Messaging Server 6.3 Administration Guide Controlling Access to Virtual Domains

If your messaging installation uses virtual domains, in which a single server instance is associated with multiple IP addresses and domain names, you can control access to each virtual domain through a combination of Allow and Deny filters. For example, you can use Allow filters like:

coupled with a Deny filter like:


Each Allow filter permits only hosts within domainN to connect to the service whose IP address corresponds to All other connections are denied.