I am new to the Exchange server world. I have installed exchange server 2000 in my on of the server. I can send mail from exchange web mail to local user and to the outer users.but using the outlook express or any email program I can send the message to local users only. I cannot send the mail to other users. what I have to configure. please suggest me. thanks Prabin __________________________________ Do you Yahoo!? Yahoo! Mail is new and improved - Check it out! http://promotions.yahoo.com/new_mail