Oh, I love this. One poster hijacks some one else's thread and then some one else hijacks that post. Don't you just love how lazy people can be? John Tolmachoff Engineer/Consultant/Owner eServices For You Hi, I have to automate exchange 5.5 mailbox creation/deletion/property change etc, can anybody help me in resource/links/docs to do scripting. I have done scripting on NT/ADS. Thanks, Sunil Sumit, Exchange has a very good career..... Except that your are always on hot iron rod :-) _____ Hello, Please let me know for what is the future of Exchange Server , as I am looking forward for a career in Exchange Server. Thanking You. Sumit This is happening because there is no SMTP address in the user properties. So please go to the user properties and add one smtp address manually.