afaik jBPM does the same, so no idea why there is a connection reset. Does your mailserver log anything? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4173263#4173263 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4173263