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Suppose Alice, with a Web-based e-mail account (Gmail account, with POP3 access), sends a
message to Bob, with a work email (MS Exchange account, with IMAP access). Discuss how the
message gets from Alice's host to Bob's host, and Bob's reply message goes back to Alice.
Choose the correct email application layer protocol in each step. The message is first sent from
Alice's host to her mail server over Alice's mail server then sends the message to Bob's mail
server over Bob's host retrieves the message from his mail server over Bob's reply message is
then sent from Bob's host over Bob's mail server sends the message to Alice's mail server over
Alice's host retrieve the message from her mail server over

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  • 1. Suppose Alice, with a Web-based e-mail account (Gmail account, with POP3 access), sends a message to Bob, with a work email (MS Exchange account, with IMAP access). Discuss how the message gets from Alice's host to Bob's host, and Bob's reply message goes back to Alice. Choose the correct email application layer protocol in each step. The message is first sent from Alice's host to her mail server over Alice's mail server then sends the message to Bob's mail server over Bob's host retrieves the message from his mail server over Bob's reply message is then sent from Bob's host over Bob's mail server sends the message to Alice's mail server over Alice's host retrieve the message from her mail server over