Describe the use of one of the following protocols: FTP, HTTP, HTTPS ,SMTP and SFTP. Which one considers as a security protocol?
SMTP is a communication protocol used for sending and receiving email messages over the internet. While SMTP itself is not primarily a security protocol, it can be used in conjunction with other security protocols such as SSL/TLS encryption to provide secure email communication. When used with SSL/TLS encryption, SMTP is commonly referred to as SMTPS.