What is SES sandbox mode?
New SES accounts are in sandbox mode, meaning you can only send emails to verified email addresses. To send to any email address, you must request production access from AWS. This prevents new accounts from being used for spam.
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More FAQs in What Is Amazon SES and Why Use It for Sending Emails in Node.js?
Amazon Simple Email Service (SES) is a cloud-based email sending service for transactional and marketing emails. It costs $0.10 per 1,000 emails, integrates with AWS, and offers both SMTP and API interfaces. Free tier includes 62,000 emails/month from EC2.
SES is cheaper ($0.10 vs $0.20 per 1000 emails), integrates with AWS, and has a higher free tier (62k/month from EC2 vs 100/day on SendGrid). SendGrid has an easier API, better documentation, and more features like email templates and analytics.
Use the API (AWS SDK) for better performance and more features (templates, configuration sets, event publishing). Use SMTP if you're using a library like Nodemailer that only supports SMTP, or if you're migrating from another SMTP-based service.
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