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Old 05-22-2006, 10:57 AM   #1 (permalink)
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Default Prevent access to BlackBerry Web Client

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Hi everyone,

We have a BES server ( and Microsoft Exchange 2003 SP1 in our environment. Occasionally, users jump the gun on us and use the BlackBerry web client to get email on their device. We do not want anyone using this, as company policy requires all users to connect their device to the BES.

Is there any way to prevent users from using the web client?

Thanks in advance!
Old 05-22-2006, 12:51 PM   #2 (permalink)
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The Allow Other Email Services rule forces all outbound email to be sent through the BES server. It does not prevent someone from receiving inbound email from BIS.

I dont see anything to stop external mail completely, but I am still looking.

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Old 05-22-2006, 12:53 PM   #3 (permalink)
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What network are the devices on?? Certain carriers (like Vodafone) provision their devices on relays at RIM - the Prosumer relay deals with web client and the Enterprise relay deals with BES devices. If your carrier deals with device provisioning on the relay then you should be able to call them and ensure all devices are provisioned for Enterprise only. Other carriers provision the device via the tariff on the phone line - don't know how you would get around those.

Old 05-22-2006, 03:02 PM   #4 (permalink)
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have you tried to set up an IT policy blocking BIS?
Old 06-24-2006, 10:43 AM   #5 (permalink)
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Sorry so late, but I posted in the wrong forum. This is huge and needs to be stopped. We have the same problems were new hires are setting up BIS or whatever they have to get email and just throwing the BB we give them in the draw.

Does anyone know were to stop this in the network? A policy will not work since no BES is involved and exchange just plays dumb.
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Old 06-24-2006, 02:40 PM   #6 (permalink)
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so they're using their personal handhelds and not the company owned ones? so they're not getting set up on BES like you want...

well you have a few options that i can think of...none of them are really pretty per stop them from using BIS

1) some sort of corporate policy that bans use of any handhelds but what are supplied by the company (or approved by) - dunno how well/if this will work...
2) don't set up forwarding rules on your server
3) don't allow POP/IMAP access to your Exchange server - one of the ways you can get your email to BIS
4) enable a proxy server but don't give out the username/password - this will stop the BlackBerry Mail Connector from working - again a way taht gets Exchange/Domino email to a BIS account
5) OWA is the last way to add Exchange email to BIS - not sure if you have this or can monitor it...maybe set it up to have multiple logins? BIS tends not to work w/ that...
6) set up an IT plociy on the BES to not allow the BIS service to be used - it basically blocks the service book from being accepted/used

keep in mind the above is just brainstorming on my part - i'm not - nor have i ever been - an admin so i don't know if you will be able to do any of the above

either way, hope it helps
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