relayDestination.setBackendServer(backendServer);
RecipientSpecificationDestinationPair recipientDestinationMapper =
new RecipientSpecificationDestinationPair();
recipientDestinationMapper
.addRecipientSpecification(new RecipientSpecificationFactory()
.create(ExampleAddress.JANE));
recipientDestinationMapper.setDestination(relayDestination);
LookupDestinationFilter lookupDestinationFilter = new LookupDestinationFilter();
lookupDestinationFilter
.setRecipientDestinationMapper(recipientDestinationMapper);