SMTPS

SMTPS (Simple Mail Transfer Protocol Secure) is a secure version of the SMTP protocol used for sending email messages between servers. It encrypts email transmissions using SSL/TLS to protect sensitive data like login credentials and message content from eavesdropping or tampering. This ensures secure email delivery over networks, particularly the internet.

Also known as: SMTP over SSL, SMTP over TLS, Secure SMTP, SMTP with encryption, SMTP-SSL

Why learn SMTPS?

Developers should use SMTPS when building applications that send emails, such as notification systems, password reset features, or marketing campaigns, to comply with security standards and protect user privacy. It is essential in environments requiring data encryption, like healthcare or finance, to prevent interception of confidential information during transmission.

Learning Resources

• docs: RFC 3207 - SMTP Service Extension for Secure SMTP over TLS
• tutorial: GeeksforGeeks - SMTPS Protocol
• docs: MDN Web Docs - Email Protocols
• video: YouTube - SMTP vs SMTPS Explained
• tutorial: Postmark - Sending Email with SMTPS