Incoming mail from host server not delivered to Outlook of Exchange   

The email from client computers on local network are delivered through
exchange server to external sources, but the reply from external
network cannot be received.

The Windows Server has Exchange server 2003 installed

The system was working fine before.

date: Sun, 2 Mar 2008 07:02:07 -0800 (PST)   author:   unknown

Re: Incoming mail from host server not delivered to Outlook of Exchange   

sandhubi@gmail.com wrote:
> The email from client computers on local network are delivered through
> exchange server to external sources, but the reply from external
> network cannot be received.
>
> The Windows Server has Exchange server 2003 installed

What SP?
>
> The system was working fine before.

Before what?

What do you see in message tracking?
What's your domain name?

date: Sun, 2 Mar 2008 10:26:26 -0500   author:   Lanwench [MVP - Exchange]