I am migrating our current Windows 2003/Exchange 2003 environment to a Windows 2008/Exchange 2010 system with a new server. I have installed the new server and connected it to the Windows 2003 domain as a secondary controller. The servers see each other and I was able to transfer a test user from the Exchange 2003 server to the Exchange 2010 server. I am able to receive e-mail on the new server, but not send messages. When I send using Outlook 2003 or OWA the message goes to "Sent Items", but it is never delivered. I also do not get a bounce back. I've tried delivering directly and using the old server as a relay without any luck. Internal mail goes through without a problem. Thank you in advance, Rick Bonazelli

Hello Rick, Have configure Send Connectors on the 2010? Exchange 2010 does not add send connectors by default? If not you can use Powershell or EMC to do that New-SendConnector -Name "Internet Connector" -Usage Custom -AddressSpace "*;5" -DNSRoutingEnabled $False -MaxMessageSize 20MB or you can use the EMC http://technet.microsoft.com/en-us/library/aa997285.aspxIsaac Oben MCITP:EA, MCSE

Thank you Isaac. That was it.