You can run the email server remotely on a separate JVM and server, and have it interact with the SkyVault server using Remote Method Invocation (RMI).
- Browse to the folder <configRoot>/classes/alfresco.
 - 
        Open the configuration file
          remote-email-service-context.xml.
        
This file contains the emailService bean, specifying the related RMI configuration.
 - 
        Modify the RMI configuration as required. For example:
        
Value Description <serviceUrl></serviceUrl> Specifies the valid RMI URL. <serviceInterface></serviceInterface> Specifies the interface used for RMI.