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Computer Networks
Smtp
Q
What is on-demand mail relay (ODMR)?
AA. Protocol for smtp security
BB. An smtp extension
CC. Protocol for web pages
DD. Protocol for faster mail transfer
Correct Answer:
B. B. An smtp extension
Explanation:
ODMR is an extension to SMTP, in which mails are relayed to the receivers after they are authenticated. It allows only the authorized receivers to receive the mail.