How to send emails from shell script using sendgrid

In my recent project, we have developed a small process monitoring system to check the health of the process and it should send emails if the process goes down. For sending emails we have used SendGrid and below is the shell script model which we have used to send the email.

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I am Arjun from Hyderabad (India). I have been working as a software engineer from last 7+ years, and its my passion to learn new things and implement them as a practice. Aside from work, I likes gardening and spending time with pets. Protection Status