Sharing content among users of mobile devices is facilitated and controlled by a system and method that employs a content sharing application to receive and process requests to share content among users of devices such as mobile devices and personal computers. Recipients receive share content messages from the content sharing application indicating that they have been selected to access shared content. Such messages may provide direct or indirect access to the shared content via the recipient mobile device. Recipients can specify privacy management schemes to limit or control the receipt of such messages. The content sharing application may also provide various spam filtering techniques that prevent users from abusing the system, including restricting the number or type of requests to share content that may be effectuated over time.