State any three disadvantages of e-mail over a postal mail.

Answer:

-The initial setup cost of the network and internet connection is high
-Through e-mails, viruses and worms are transmitted which can corrupt or delete
the data stored in the computer system.
-E-mail users must have internet connection
-E-mail users must be computer literate.
-Cannot send tangible/physical parcels, only textual, audio, graphics and video attachments

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