| 摘要 |
A wireless communications system (30) may include a plurality of mobile wireless communications devices (31a,..., 31n) each having a subscriber account associated therewith including a respective personal identification number (PIN) and a device identification (ID). Each device ID may have associated therewith a device capability set from among a plurality of device capability sets. The system (30) may further include at least one electronic mail (email) server (33) including a database of subscriber accounts (35) and for sending emails to and receiving emails from the mobile wireless communications devices based upon the PINs and device IDs. The at least one email server (33) may compare a given PIN and device ID, based upon a communication from a given mobile wireless device, with a corresponding PIN and device ID for the corresponding subscriber account in the database (35), and update a corresponding device capability set for the corresponding subscriber account based upon a discrepancy.
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