Yes it should be (the examples use port 2525 with no problem). Post the debug log from javamail. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4044436#4044436 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4044436