Sorry. I have to send a private email to the list. Dear Michael Boschat, Please send your email address. The email I reply you was sent back. Jiang ----- Transcript of session follows ----- ... while talking to atm.daldot ca.: >>> HELO ns1.hbwhpttdot net.cn. <<< 501 Invalid HELO parameter! 554 <andromed@atm.daldot ca>... Service unavailable