Well, thanks. The deploy is ok now, but I'm not being able to find the QueueConnectionFactory through jndi lookup. I'll post my descriptors, plus the client code:

jboss.xml :

<message-driven>
 <ejb-name>MailCreatorMDB</ejb-name>
 <destination-jndi-name>queue/MailQueue</destination-jndi-name>
 <resource-ref>
 <res-ref-name>jms/QCF</res-ref-name>
 <jndi-name>QueueConnectionFactory</jndi-name>
 </resource-ref>
</message-driven>

ejb-jar.xml

<enterprise-beans>
 <message-driven>
 <display-name>MailCreatorMDB</display-name>
 <ejb-name>MailCreatorMDB</ejb-name>
 <ejb-class>mailcreator.MailCreatorMDBBean</ejb-class>
 <transaction-type>Container</transaction-type>
 <message-driven-destination>
 <destination-type>javax.jms.Queue</destination-type>
 </message-driven-destination>
 <resource-ref>
 <res-ref-name>jms/QCF</res-ref-name>
 <res-type>javax.jms.QueueConnectionFactory</res-type>
 <res-auth>Container</res-auth>
 </resource-ref>
 <resource-env-ref>
 <resource-env-ref-name>queue/MailQueue</resource-env-ref-name>
 <resource-env-ref-type>javax.jms.Queue</resource-env-ref-type>
 </resource-env-ref>
 </message-driven>
 </enterprise-beans>

jbossmq-destinations-service.xml

 <mbean code="org.jboss.mq.server.jmx.Queue"
 name="jboss.mq.destination:service=Queue,name=MailQueue">
 <depends optional-attribute-name="DestinationManager">jboss.mq:service=DestinationManager</depends>
 </mbean>

Cliente code (POJO class):

try {
 this.ctx = new InitialContext(System.getProperties());
 QueueConnectionFactory factory = (QueueConnectionFactory) ctx.lookup("jms/QCF");
 Queue queue = (Queue)ctx.lookup("java:/comp/env/jms/MailQueue");
 QueueConnection queueConnection = factory.createQueueConnection();
 QueueSession queueSession = queueConnection.createQueueSession(false,0);
 QueueSender sender = queueSession.createSender(queue);
 ObjectMessage objMsg = queueSession.createObjectMessage();
 objMsg.setObject(userDTO);
 sender.send(objMsg);
 queueConnection.close();
 }

I'm running jboss 3.2.2 on a windows XP (development, production is a Debian) JVM 1.4.2


Thanks

Vinicius