Send Email Programmatically

Send emails via SMTP, free APIs (Mailgun, SendGrid free tier), or privacy-focused services. Essential for notifications, alerts, automated reports, and user communication.

When to use

• Use case 1: When the user asks to send email notifications or alerts
• Use case 2: When you need to deliver automated reports or summaries
• Use case 3: For error logging and monitoring alerts
• Use case 4: When building user communication workflows (confirmations, updates)

Required tools / APIs

• curl — For API-based email sending (pre-installed on most systems)
• sendmail / msmtp — For SMTP email sending
• Mailgun API — Free tier: 5,000 emails/month (requires API key)
• SendGrid API — Free tier: 100 emails/day (requires API key)
• mail.tm — Temporary email API (no API key required)