Hi List, I am running exchange server 5.5 sp4 at Winnt4.0/sp6a. When my users send messages with attachments to a particular domain, the recepient can receive the message, but does not get the attachment. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> Regards, Chand Deshwal (M.Tech CS&E, MCSE, CCNA) Network Administrator Kampsax India Ltd., Gurgaon ph: +91 124 6348259-62, Extn. 712 chand@xxxxxxxxxxxxxxxxx <mailto:chand@xxxxxxxxxxxxxxxxx> http://www.kampsaxindia.com <http://www.kampsaxindia.com/>