Port 25 should be all you need. Mark Fugatt Dedicated Supportability Engineer (Exchange) Microsoft Limited Desk: +44 (0)118 909 5630 Mobile: +44 (0)7966 858108 MSN IM: markfu@xxxxxxxxxxxxxxxxx Blog: http://blogs.technet.com/mfugatt Dedicated to proactively supporting Microsoft's enterprise Customers If you have any feedback about my work, please let either myself or my manager Andy Gitsham know at andygi@xxxxxxxxxxxxx <mailto:andygi@xxxxxxxxxxxxx?subject=Feedback%20on%20Mark%20Fugatt%20(Ex change%20DSE)> or telephone +44 118 909 3233 ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Amy Kohler Sent: 04 April 2006 16:41 To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Ports for a new Bridgehead I need to install a new Bridgehead server in my exchange 2000/2003 environment. I want to build a 2003 server for this (FE is already upgraded to 2003) and I need to know which ports to tell networking to open for ingoing and outgoing mail for this new server. Does anyone know these ports for a 2003 bridgehead? Thank you in advance Amy Kohler Server Support Engineer