SMTP Interaction Practice

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How does IMAP differ from POP3 in terms of keeping messages?

IMAP keeps all messages in one place, at the server, while POP3 downloads messages to the client.

What is an advantage of IMAP over POP3?

IMAP keeps user state across sessions, including the names of folders and mappings between message IDs and folder names.

What is the difference between POP3 'download and delete' mode and 'download-and-keep' mode?

In 'download and delete' mode, messages are deleted from the server after being downloaded, while in 'download-and-keep' mode, copies of messages are kept on different clients.

What is the purpose of DNS (domain name system)?

DNS is used to map between IP addresses and domain names, making it easier for humans to remember websites.

This quiz is designed to test your understanding of the SMTP communication process by simulating a basic email exchange. Practice sending an email using telnet commands such as HELO, MAIL FROM, RCPT TO, DATA, and QUIT. Test your knowledge of how emails are sent without using email clients.

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