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I believe Exchange uses servers in its own sites by default.
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I believe Exchange uses servers in its own sites by default.

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Rezwan:<br />
CAs and HUB server rolls are on one server at each. Yes, source servers are each site's CAS/HUB servers this is default. Does this mean that Site A will not send mail out via Site B so does the Site B?<br />
there is a WAN link between Site A and Site B. <br />
How to avoid that mail is not being routed from Site A to Site B then internet?
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Rezwan:
CAs and HUB server rolls are on one server at each. Yes, source servers are each site's CAS/HUB servers this is default. Does this mean that Site A will not send mail out via Site B so does the Site B?
there is a WAN link between Site A and Site B.
How to avoid that mail is not being routed from Site A to Site B then internet?

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This is a design question than a problem and would like an expert explain to me.<br />
Our client has Exchange 2010 in two sites. &nbsp;like Site A and B.<br />
Users at each site uses their own CAS server to send mail out. Everything work fine.<br />
Here is my question , How to avoid the site A mail does not go out via Site B hub transport &nbsp;and Site B mail does not go out via Site A transport?
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This is a design question than a problem and would like an expert explain to me.
Our client has Exchange 2010 in two sites.  like Site A and B.
Users at each site uses their own CAS server to send mail out. Everything work fine.
Here is my question , How to avoid the site A mail does not go out via Site B hub transport  and Site B mail does not go out via Site A transport?

Exchange2010 and send connector

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.