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What's the difference of mail flow between Exchange 2007 and 2010?

What's the difference of mail flow between Exchange 2007 and 2010?

For exemple:

1- from Outlook client to access the mailbox
2- By user by Outlook anywhere
2- By OWA
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SAM2009
Asked:
SAM2009
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1 Solution
 
AkhaterCommented:
there is no difference in the mail flow between exchange 2010 and exchange 2007

the big architectural difference is that, in 2007 the outlook clients (MAPI) connects to the mailbox server directly but in exchange 2010 all clients (MAPI and others) connect to the CAS server with the exception of public folders connections
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Suliman Abu KharroubIT Consultant Commented:
All of mentioned examples are a client access role functionality not mailfow ( hub transport )...

fot outlook connection no major changes .... Of of the changes is on outlook anywhere, in 2010 no need to connect to the mailbox directly from external outlook client but they connects to cas and gas proxies the connection  to mailbox server.


Owa: more browsers support , more theams on sp1...2010 is more interactive (close to outlook clients ).
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AkhaterCommented:
@Sulimanw i clearly stated I was talking about CAS

moreover even in 2007 Outlook Anywhere clients connect to the CAS not to the mailbox server. the only difference, as i already said, are internal outlook clients (MAPI) that connect to the cas in 2010 (for everything but public folders) and directly to mailbox in 2007
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Suliman Abu KharroubIT Consultant Commented:
When I start typing to answer the question, your.comment was not there.....

Thanks for your update.
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SAM2009Author Commented:
Thanks
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