Bash Script for Manual Email Sending

I need a bash script that runs on a Linux system to send emails through an SMTP server configuration. The script will be triggered manually by a user. Key Requirements: - Proficiency with bash scripting in a Linux environment - Experience with SMTP server configuration - Ability to create a user-friendly script for manual triggering This should be done by looping over each recipient, not just adding them to CC or Bcc. This is important for bulk emails, as recipients shouldn’t be seeing one another’s email addresses Show sending bulk emails with SMTP and API. Use Mailtrap Bulk Stream as an SMTP server or API Show sending bulk emails with Sendmail, msmtp, mailx, mutt and other commands (methods) if applicable. The structure of the video (preferably) Setting up needed configurations for SMTP Creating the list of recipients (can be 3-5 recipients) Sending emails with SMTP Sending emails with mutt Sending emails with msmtp Sending emails with sendmail Sending emails with mailx Sending emails with (other method if any) Sending emails with API For each sending method, show successfully sent emails for all recipients Implement error handling to manage failures in sending emails. The script should produce a detailed log file for each email sent, including success and failure messages. The script should be compatible with Ubuntu. The script should produce a detailed log file for each email sent in plain text format. The log file should include detailed information such as SMTP response codes, timestamps, and status messages for each email sent. Include detailed documentation and comments within the script for comprehensive understanding. The email content should be in HTML format. The script should include support for scheduling via cron jobs. The script should include detailed transaction logs capturing each step of the email sending process. The script should include advanced error handling to capture and log more complex scenarios.