<ul data-eligibleForWebStory="true"><li>SMTP (Simple Mail Transfer Protocol) is the standard method for sending email messages over the Internet.</li><li>SMTP ensures emails are successfully delivered from the sender's outbox to the recipient's inbox by establishing communication between mail servers.</li><li>It functions as the 'postal system of the internet,' determining the routing and delivery of emails.</li><li>SMTP is specifically responsible for handling outgoing email delivery, not for retrieving or reading emails.</li><li>Popular email services such as Gmail, Outlook, Yahoo Mail, and Apple Mail rely on SMTP for sending emails.</li></ul>

What Is SMTP and How It Work With JavaMailSender

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