Yes, it is possible to have multiple mail servers receive mail for the same domain, when one of those servers is Exchange 2003. You will need to run these mail servers on different hardware, of course. How to set it up: http://support.microsoft.com/?kbid=321721 -----Original Message----- From: Max [mailto:maksimilian.prilepskij@xxxxxxxxxxxxx] Sent: Tuesday, November 22, 2005 9:08 AM To: [ExchangeList] Subject: [exchangelist] Planning Exchange 2003 Hello Our organization wants to deploy Exchange 2003. Now we are using TeamWare software as mail server. Can I ask to comment: is a possibility to use Teamware and Exchange at same time using one domain name? Thanks for comments? Max