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SMTP: The World's Digital Mailman Protocol
Ever wondered how your email actually reaches its destination?
In this episode of Technically U, we pull back the curtain on SMTP (Simple Mail Transfer Protocol) — the invisible engine behind every “Send” button you click.
We break down how SMTP works, from commands like HELO, MAIL FROM, and RCPT TO to real-world routing, security frameworks like SPF, DKIM, and DMARC, and how cloud platforms like Amazon SES and SendGrid modernize email delivery.
🔒 We also cover SMTP security flaws, ports (25, 587, 465), STARTTLS encryption, and the future of email infrastructure.
📌 Perfect for IT pros, developers, cybersecurity analysts, and anyone who wants to truly understand the tech behind their inbox
.🎧 Subscribe to Technically U for more deep dives into networking, cloud, security, and tech innovation!
View all episodes
By Technically UEver wondered how your email actually reaches its destination?
In this episode of Technically U, we pull back the curtain on SMTP (Simple Mail Transfer Protocol) — the invisible engine behind every “Send” button you click.
We break down how SMTP works, from commands like HELO, MAIL FROM, and RCPT TO to real-world routing, security frameworks like SPF, DKIM, and DMARC, and how cloud platforms like Amazon SES and SendGrid modernize email delivery.
🔒 We also cover SMTP security flaws, ports (25, 587, 465), STARTTLS encryption, and the future of email infrastructure.
📌 Perfect for IT pros, developers, cybersecurity analysts, and anyone who wants to truly understand the tech behind their inbox
.🎧 Subscribe to Technically U for more deep dives into networking, cloud, security, and tech innovation!