Yeah, well.. just don't post the Koan link for him until Monday please, I
still haven't transferred it from the old mail-resources.com website. 

Chris
-- 
Chris Scharff
Senior Sales Engineer
MessageOne
If you can't measure, you can't manage! 


> -----Original Message-----
> From: Andy David [mailto:[EMAIL PROTECTED]] 
> Sent: Thursday, January 10, 2002 11:08 AM
> To: Exchange Discussions
> Subject: RE: Exchange 5.5 over WAN connection (new mail notifications)
> 
> 
> I dont think anyone here has ever heard of this problem.
> 
> 
> -----Original Message-----
> From: John Q [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, January 10, 2002 12:04 PM
> To: Exchange Discussions
> Subject: Re: Exchange 5.5 over WAN connection (new mail notifications)
> 
> 
> I am having a serious problem with "new mail notifications" 
> over a WAN. Basically they don't update until a user clicks 
> on a nether message or waits in excess of 20 minutes. 
> Needless to say users are frustrated by this due to the fact 
> that they don't "think" their mail has been sent. Is there a 
> work arround for this? Client side notification of disabeling 
> "new mail notifications"? The description of why this 
> particular situation does not work is below, read into if you wish.
> 
> -John Q Jr.
> 
> Currently machines on the WAN network are using internal IP 
> addresses (which are not routable via our network). When the 
> machines send packets to our network, the WAN  router 
> converts the IP addresses into a public IP address (an 
> address our router can actually reply to). The problem in 
> hand is that when Exchange receives packets from the client, 
> it looks into the payload information (information inside the 
> packet, not the header) to figure out where it should be sent.
> 
> Case in point: Workstation 10.10.2.15 is connected to 
> x.230.24156/57. Due to NAT, the Exchange servers sees 
> x.154.10.42 connected (it can communicate back fine). Once 
> the user receives a piece of mail, the Exchange server 
> replies to 10.10.2.15 (it had to have looked this information 
> up from the payload data) and of course this IP is not routable.
> 
> 
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