hi allplz help memy project is a company work as a mail-host (mail provider service) where we will creat the exchange server for other companies at our companyhow can i achive this goal? -we have a company A , then there are two other companies like B , C .-each one from B,C have there domains and users but they have not the mail-server (exchange) in there companiesthey asked us (company A) to creat the mail server (exchange 2003) for them in our company (A).- we as a company A must creat the mail server for every company .--- we must creat domain for every company or not?---we must creat more than one exchange in A or we can setup one exchange in our domain company and join with it all domain for other company B,C???--- how we can design this case ? and what are the other servers we will use it???--- plz reply me quickly at this site or on to e_mails: m_essa2010@yahoo.com m_essa2010@hotmail.com thank you for all

Hi,You can do all that by only one Exchange Server.Look here, Shared Hosting with Exchange 2003 (Part 1) on MSExchange.orghope this helps

thank you for your effort ,i think that u don't understand me goodi want a full design for this case how can i do this case (scenario) by virtual machine as example

Hi, Please check whether another thread can help you: http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3985893&SiteID=17 Thanks Allen

not help me i want quikly solution

Hi, For your situation, I suggest we contact Microsoft Customer service to submit the case. The help that you get will be effective. You can also post the case on the Newsgroup, the link as below: http://www.microsoft.com/communities/newsgroups/default.mspx Thanks Allen