SureMail is a free, feature-packed SMTP and email-logging plugin for WordPress that ensures reliable email delivery by integrating with wp_mail() and offering multiple SMTP provider support (Amazon SES, SendGrid, Mailgun, Gmail, Postmark, and more). It includes automatic retries for failed emails, fallback providers to prevent disruptions, and comprehensive logs with options to resend messages. Secure authentication, detailed delivery analytics, and real-time alerts help maintain a strong sender reputation, while its intuitive interface and modern design make setup and troubleshooting easy. Developed by Brainstorm Force, SureMail delivers enterprise-level email reliability without cost.