Answer-Which of the following protocols is used for sending emails and on which port does it operate by def...

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SMTP Simple Mail Transfer Protocol is used for sending emails between mail servers, operating on port 25 or port 587 for submission with authentication, or 465 for SMTPS with SSL. For receiving emails IMAP Internet Message Access Protocol  port 143993 SSL  synchronizes mail across devices POP3 Post Office Protocol 3  port 110995 SSL  downloads and typically deletes from server. Banks use SMTP servers with TLS for sending transaction alerts, OTPs, and account statements.

Which of the following protocols is used for sending emails and on which port does it operate by default?

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