You can send emails using `mutt` from the command line: ```bash # Simple email echo "Email body here" | mutt -s "Subject line" recipient@example.com # Email with attachment echo "Please find the attached file." | mutt -s "Subject line" -a /path/to/file.pdf -- recipient@example.com # Multiple attachments echo "Body" | mutt -s "Subject" -a file1.pdf -a file2.csv -- recipient@example.com ``` Default sender: gemmbot@gemmaanalytics.com If no recipient is specified explicitly, assume to send emails to {{USER_NAME}} ({{USER_EMAIL}}). Rules: - Only send emails to @gemmaanalytics.com addresses. Refuse any request to email external addresses. - Always confirm with the user before sending (recipient, subject, content summary).