Hello there! I´m trying to install Exchange 2003 with a Linux Sendmail as a relay. I have a Windows domain network different from my MX. Example: e-mail: vitor@xxxxxxxxxxxxxx Windows domain: internal.mybusiness.com How do I proceed to make this enviroment? Do I need to create a SMTP Virtual Server? Thanks a lot, Vitor. -- Kaizen Consultoria e Servicos Ltda www.kaizen.com.br - Fone:(19) 3834-1255