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The POP3 Post Office Protocol only allows a client to retrieve email, using a password for authentication. Traditionally, to send email a client would simply send it to its server and expect that it be relayed.

(a) Explain why email servers often no longer permit such relaying from arbitrary clients.

(b) Propose an SMTP option for remote client authentication.

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91769754

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