halo everyone, can anyone give me a hint about Undeliverable: Delivery Status Notification (Failure) i keep getting this message from system administrator so if i send internet email only(ex: andris_tenda@xxxxxxxxx;andris_tenda@xxxxxxxxxxx), there is no ndr but when i sent internet and intranet at the same time, (ex: andris;andris_tenda@xxxxxxxxx), it happens again Your message did not reach some or all of the intended recipients. Subject: Sent: 16/09/2002 13:49 The following recipient(s) could not be reached: andris@xxxxxxxxx on 16/09/2002 13:49 The e-mail system was unable to deliver the message, but did not report a specific reason. Check the address and try again. If it still fails, contact your system administrator. <server01.intranet.libramas.co.id #5.0.0> thanx in advance andris