| 摘要 |
E-mail service for an enterprise is provided by utilizing data storage capacity already available within the enterprise to store e-mail temporarily if the intended e-mail recipient is unable to receive the e-mail. This temporary e-mail storage, and ultimate delivery of the e-mail to its intended destination, can both be coordinated by control signaling that is internal to the enterprise. This provides the enterprise with e-mail service without using an external e-mail exchange server. <IMAGE>
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