For some reasons i think the problem is actually bigger than the email action itself, because as the administrator i still dont get Administrator notifications even though i have checked "Enable Stall operation and Enable Stall Branch" check boxes.
I did as you advised about the email action settings but i'm still getting the following message in my log file:
2009-03-23 13:26:00,067 WARN [com.adobe.workflow.AWS] com.adobe.idp.dsc.email.SendMailFailedException: 550 5.7.1 Requested action not taken: message refused
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithMapOfAttachments(EmailServiceImpl.java:738)
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithDocument(EmailServiceImpl.java:353)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.adobe.idp.dsc.component.impl.DefaultPOJOInvokerImpl.invoke(DefaultPOJOInvokerImpl.java:118)
at com.adobe.idp.dsc.interceptor.impl.InvocationInterceptor.intercept(InvocationInterceptor.java:140)
at com.adobe.idp.dsc.interceptor.impl.RequestInterceptorChainImpl.proceed(RequestInterceptorChainImpl.java:60)
at com.adobe.idp.dsc.transaction.interceptor.TransactionInterceptor$1.doInTransaction(TransactionInterceptor.java:74)
at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionCMTAdapterBean.execute(EjbTransactionCMTAdapterBean.java:342)
at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionCMTAdapterBean.doSupports(EjbTransactionCMTAdapterBean.java:212)
at sun.reflect.GeneratedMethodAccessor329.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:88)
at $Proxy169.doSupports(Unknown Source)
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:624)
at org.jboss.ejb.Container.invoke(Container.java:873)
at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:415)
at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:88)
at $Proxy202.asyncInvokeProcessCommand(Unknown Source)
at com.adobe.workflow.engine.ProcessCommandControllerBean.doOnMessage(ProcessCommandControllerBean.java:156)
at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:160)
at org.jboss.mq.SpySession.run(SpySession.java:333)
at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:180)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:748)
at java.lang.Thread.run(Thread.java:595)
2009-03-23 13:26:00,161 WARN [com.adobe.workflow.AWS] com.adobe.idp.dsc.email.SendMailFailedException: 550 5.7.1 Requested action not taken: message refused
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithMapOfAttachments(EmailServiceImpl.java:738)
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithDocument(EmailServiceImpl.java:353)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
2009-03-23 13:26:00,161 ERROR [com.adobe.workflow.AWS] stalling action-instance: 1481 with message: 550 5.7.1 Requested action not taken: message refused
: com.adobe.idp.dsc.email.SendMailFailedException: 550 5.7.1 Requested action not taken: message refused
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithMapOfAttachments(EmailServiceImpl.java:738)
at com.adobe.idp.dsc.email.EmailServiceImpl.sendWithDocument(EmailServiceImpl.java:353)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.adobe.idp.dsc.component.impl.DefaultPOJOInvokerImpl.invoke(DefaultPOJOInvokerImpl.java:118)
at com.adobe.idp.dsc.interceptor.impl.InvocationInterceptor.intercept(InvocationInterceptor.java:140)
at com.adobe.idp.dsc.interceptor.impl.RequestInterceptorChainImpl.proceed(RequestInterceptorChainImpl.java:60)
at com.adobe.idp.dsc.transaction.interceptor.TransactionInterceptor$1.doInTransaction(TransactionInterceptor.java:74)
at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionCMTAdapterBean.execute(EjbTransactionCMTAdapterBean.java:342)
at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionCMTAdapterBean.doSupports(EjbTransactionCMTAdapterBean.java:212)
at sun.reflect.GeneratedMethodAccessor329.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
2009-03-23 13:26:00,317 WARN [com.adobe.workflow.AWS] Email failed to send due to the following exception:550 5.7.1 Requested action not taken: message refused
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: **************************************************************
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: Event with id 2315 is already deleted or does not exist.
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: **************************************************************
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: **************************************************************
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: Event with id 2315 is already deleted or does not exist.
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.event.util.EventDBHelper getEventByPrimaryKey
SEVERE: **************************************************************
2009-03-23 13:26:04,177 INFO [STDOUT] 2009/03/23 1:26:04 PM com.adobe.idp.scheduler.callback.ServiceCallbackHandler execute
SEVERE: Exception thrown while calling back a DSC componentEvent instance with id 2315 does not exist.