Can the emails be left on the ISP mail server when retrieving them with SBS 2003

One of my mail clients wants to use a Blackberry to retrieve email when not in the office.  The easiest way to do this is to leave a copy of emails on the ISP's mail server when they are retireved with the SBS 2003 server.  Is there a way to configure SBS to leave a copy?
ColcamaroAsked:
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Rick FeeMessaging Engineer - Disaster Recovery EngineerCommented:
Go to the following registry location and change the key:

 HKLM\software\microsoft\smallbusinessserver\network\pop3connector\deletefromserver  
 
 Delete from Server default value will be 1
Leave on server change the value to 0
 
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shadowlesssCommented:
Use Blackberry Internet Service to setup a Backberry email account for that phone  (its free)and then just Use Exchange to forward email to this Blackberry email account?
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ColcamaroAuthor Commented:
Is there a setting for how long the emails will be allowed to stay on the ISP email server?  
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shadowlesssCommented:
Here is a link on how to setup the Blackberry email address as a Contact and how to setup the forward to that external contract

http://www.mekong.net/tech/mail_fwd.htm
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Rick FeeMessaging Engineer - Disaster Recovery EngineerCommented:
How is the Blackberry configured?   Do they use BES or BIS?   Or some other type of transfer?
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ColcamaroAuthor Commented:
Do you have the proceedure for setting up a forward to an outside contact in SBS 2003?  The proceedure in Exchange does not work with SBS because of the reduced functionality.
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shadowlesssCommented:
I am not sure what you mean? What you you say you don't have this functionality?
I have setup SBS 2003 to forward to external contacts within Exchange.
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shadowlesssCommented:
Let me try again...

I am not sure what you mean? Why do you say you don't have this functionality?
I have setup SBS 2003 to forward to external contacts within Exchange.
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shadowlesssCommented:
Here are some step by step instructions...notice at the bottom that SBS 2003 is listed.

http://support.microsoft.com/kb/281926
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