Blackberry ENTERPRISE SOLUTION SECURITY - SECURITY FOR DEVICES WITH BLUETOOTH WIRELESS TECHNOLOGY - TECHNICAL Manuel d'utilisateur télécharger pdf (Page 70)

Process flow: Sending a message from a BlackBerry device

This process flow applies to new messages, reconciled messages (messages that a user moved, deleted, or marked as read or

unread), and wireless calendar entries.

1. A user sends a message from a BlackBerry® device.

The BlackBerry device assigns a RefId to the message. If the message is a meeting invitation or calendar entry, the BlackBerry

device appends the calendar information to the message. The BlackBerry device compresses and encrypts the message,

and sends the message to the wireless network over port 3101, or over port 4101 if the BlackBerry device is a Wi-Fi® enabled

BlackBerry device that is connected to the enterprise Wi-Fi network.

2. The wireless network sends the message to the BlackBerry® Enterprise Server.

The BlackBerry Enterprise Server accepts only encrypted messages from the BlackBerry device.

3. The BlackBerry Dispatcher uses the master encryption key of the BlackBerry device to decrypt and decompress the message.

If the BlackBerry Dispatcher cannot decrypt the message using the master encryption key, the BlackBerry Enterprise Server

ignores the message and sends an error message to the BlackBerry device.

4. The BlackBerry Messaging Agent sends the message to the user’s email application.

5. The BlackBerry Messaging Agent sends a copy of the message to the Sent Items view in the user’s email application.

6. The messaging server delivers the message to the recipients.

Process flow: Sending a message that contains an attachment from a BlackBerry device

1. A user attaches a file to a message on a BlackBerry® device and sends the message.

Feature and Technical Overview

Messaging process flows

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Blackberry ENTERPRISE SOLUTION SECURITY - SECURITY FOR DEVICES WITH BLUETOOTH WIRELESS TECHNOLOGY - TECHNICAL Manuel d'utilisateur Page 70