If your company uses a proxy server, don't tell MDS about it.
When the Mobile Data Service was first released with BlackBerry Enterprise Server Version 3.5, it had poor support for proxy servers. You couldn't configure it with an auto-proxy, which a lot of companies use to provide Internet access to users. At that time, you could only configure the server to either use a proxy for all HTTP requests or use a proxy for none. There wasn't any "no proxy" list that told the service to contact certain servers directly, bypassing the proxy. This was initially a show-stopper for many MDS deployments.
BES 3.6 solved some of these issues by allowing access to an auto-proxy, and MDS deployments were more plentiful; however, without any bypass proxy list some deployments were left choosing between allowing access to intranet or Internet sites but not both. With BES 4.0, there are significant enhancements to the level of control you have over specific URLs. If you are the security-conscious type and don't like your users having any fun at all, there are several different ways you can control what your users have access to with the Mobile Data Service.
While the possibilities are limited with BES 3.6 compared to the feature set of 4.0, there are some tricks you can use to control access to URLs. If your company requires the use of a proxy server to access Internet sites, you could use that requirement to exclude any access ...