The Simple Mail Transfer Protocol (SMTP) is the standard protocol for transmitting emails from one computer to another. Whenever you type an email and hit send, you first transfer the data from your system to your email server, from which it goes to the recipient’s. SMTP is the set of instructions guiding the data towards its destination. To distinguish between various types of incoming network data, computers use ports. A port is just a number telling the recipient which application should process the particular data […]
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