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jimjoseph

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What is the best way for POP3 users to download emails in places with erratic internet connection?

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My Head office hosts our live email server running Exchange 2007. We have branch offices worldwide, where the users have their Outlook configured for POP3 and SMTP. Some of these locations having 5 or 6 users only face an erratic internet connection. This connection is the best that we can get now. This results is server time outs when users press send receive on their Outlook. Sometimes if there are attachements with more than 1 MB, it becomes difficult. What is the cheapest way where I can install another PC or server at this site which downloads the messages intended for the users at this site, so that when they press send receive, the messages come form this machine rather than the internet.
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LingerLonger
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If you've got Exchange and Outlook, why not configure the remote sites for RPC over HTTPS, and eliminate the POP mail situation? This way, there's no need for a "middle man PC". This will let the Outlook client get full copies of messages when it can, and it will precache some of the content to allow users to see what they're receiving.

Another option, particularly if the connection is extremely suspect, would be Webmail for these users. This way, it's just web views, with everything stored on Exchange.
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jimjoseph

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Sorry for not being able to reply sooner. I was unwell. Thank you for the RPC over HTTPS idea. The issue is that our head office also runs on a 512 kbps line. This line is used by the exchanger server, all POP users from outside the offices and all users inside the LAN for internet purposes. Is using the RPC over HTTPS or POP3 be taking more load on the head office internet line.
Either way is going to be painful on the server side (still the same amount of mail going out the door to the remote users), but the remote users would see less of a lag, as Outlook will try to get things over the Internet as bandwidth permits with RPC over HTTPS, while POP is a little more agressive, affecting performance of the client as a result.
Thanks. How do we configure RPC over HTTPS? What chnages do I need to make on the client users PC's
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