SMTP

Quick Definition

SMTP (Simple Mail Transfer Protocol) is a standard communication protocol used for sending and relaying emails between servers. It governs how email messages are transmitted over the internet.

SMTP is responsible for the delivery of emails from the sender’s email client or server to the recipient’s email server. It works by sending email messages in plain text to the recipient’s mail server, which then processes and delivers them to the recipient’s inbox.

Understanding SMTP is crucial for troubleshooting email delivery issues and ensuring reliable email communication. Proper configuration and management of SMTP settings help maintain effective email deliverability and overall email system performance.

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