What is SMTP used for?

SMTP (Simple Mail Transfer Protocol) is used for sending email messages from a sender’s email client or server to the recipient’s email server. It ensures that emails are routed and delivered reliably across different networks, facilitating communication via email over the internet.

The purpose of SMTP is to handle the transmission of email messages between email servers and from email clients to servers. It follows a set of rules and protocols to ensure proper delivery of emails, including addressing, routing, and transferring the message content securely.

You should use SMTP whenever you need to send email messages from your email client or application. It is essential for sending emails across the internet, whether you are sending messages to individuals, groups, or mailing lists. SMTP ensures that your emails are delivered to the intended recipients’ mail servers, where they can be accessed by the recipients through their email clients or webmail services.

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