SMTP protocol basics from scratch in Go: receiving email from Gmail
Read OriginalThis technical article details a hands-on project to understand SMTP protocol basics by building a simple mail server in Go. The author walks through the process of configuring DNS MX records, opening firewall ports, and implementing the initial TCP server and SMTP greeting sequence to receive email from a real-world client like Gmail. The goal is educational, focusing on the underlying mechanics of email delivery.
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