Can't access mailserver from external office

Hi,

I've got a, for me, starnge problem. Recently we reinstalled our companys exchange 2007 server, running on af Windows Server Standard 2008 64-bit

Everything just works fine, except for the people on our second office.
We have connected our offices with a Cisco IP-Sec tunnel, and have nothing changed. The second office are running on a different ip-range, but can't get any contact with the new exchange server. Even pinging from the location to the exchange server are timing out. Also pinging from the exchange server to any ip on the office gives timeout.

Before the reinstall of exchange server, there where no problems at all

I'm kind of lost with this issue. Am I mising anythin here?
LarsKarredAsked:
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Chris DentConnect With a Mentor PowerShell DeveloperCommented:

Everything points to a network problem. Either because of Firewalls on the servers (2008 will have one and it will be enabled by default), or because of bad routing or network level firewalls.

So, the problem needs to be broken down. Can you ping anything between offices? Are you able to monitor traffic between sites? If you run "Tracert <RemoteIP>" does it send you down the right network path?

Chris
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LarsKarredAuthor Commented:
The problem was related to network settings. Unfortunely the problem was that the gateway was got a wrong IP address.
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