ocr: THREEMODELS OF MESSAGE ACCESS Message. stores Changes are Mail is uploaded. retrieved Mail is To.server, by client Mail is retrieved which to be processed by.client stores processed and stored and copies of and stored onserver. processed the mail, locally, locally. Clients Offline Online. Disconnected Figure 2. The message access ransactron car be fivided into three models: ofjline, online, and discomnected, The mamn difference between the three revolves around where the mail is actually read or processed and where the mail is stored.
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