Definition: Simple Mail Transfer Protocol, or SMTP, is used to send email. The SMTP protocol provides a common language for different servers to send and receive email messages. The default TCP/IP port for the SMTP protocol is port 25.
Also Known As: Simple Mail Transfer Protocol
Editor-in-Chief at TechSpective
I have a passion for technology and gadgets--with a focus on Microsoft and security--and a desire to help others understand how technology can affect or improve their lives. I also love spending time with my wife, 7 kids, 4 dogs, 7 cats, a pot-bellied pig, and sulcata tortoise, and I like to think I enjoy reading and golf even though I never find time for either. You can contact me directly at tony@xpective.net. For more from me, you can follow me on Threads, Facebook, Instagram and LinkedIn.
Latest posts by Tony Bradley (see all)
- Post-Quantum Cryptography: Preparing for the Next Era of Cybersecurity - January 2, 2025
- Navigating the Future of Secure Code Signing and Cryptography - December 20, 2024
- The Rise of Agentic AI: How Hyper-Automation is Reshaping Cybersecurity and the Workforce - December 20, 2024
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