Thanks for your suggestion to use 3.2.2. I used the library in jpdl-suite-3.2.2 and mail is working fine now. Debnath View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4125002#4125002 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4125002