Exchange 2003 server to server communication

Posted on 2010-01-06
Last Modified: 2012-05-08
I have two front-end Exchange 2003 servers and four back-end Exchange 2003 servers all in one site.  I know how to ensure communication from Outlook to exchange is encrypted but i can't find information regarding server to server communication.  If an email message is sent from one back-end exchange server to another back-end exchange server, is it encrypted?  Any information on Exchange server to Exchange server communication would be appreciated.
Question by:dtabrown2
    LVL 74

    Expert Comment

    by:Glen Knight
    There is a guide here on how to encrypt communication between your exchange servers:

    Author Comment

    I've seen this article but i'm still unclear as to the communication between two exchange servers in the same domain.  This article tells me how to encrypt communication but doesn't tell me how two exchange servers in send emails between them.
    LVL 74

    Accepted Solution

    Are you talking about just regular communication?
    If so then they use the SMTP Virtual Servers to send mail between the servers.

    Author Closing Comment

    Thank you, that is exactly what i was looking for.  
    LVL 74

    Expert Comment

    by:Glen Knight
    If it was exactly what you were looking for why was it a B grade?

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