Is SMTP TCP or UDP?
Understand the Problem
The question is asking whether SMTP (Simple Mail Transfer Protocol) operates over TCP (Transmission Control Protocol) or UDP (User Datagram Protocol). This is a factual question related to computer networking.
Answer
SMTP uses TCP.
The final answer is SMTP uses TCP.
Answer for screen readers
The final answer is SMTP uses TCP.
More Information
SMTP (Simple Mail Transfer Protocol) typically uses TCP to ensure reliable delivery of email messages.
Tips
One common mistake is assuming SMTP can use UDP because it is possible theoretically, but in practice, it almost always uses TCP.
Sources
- Simple Mail Transfer Protocol - Wikipedia - en.wikipedia.org
- Is SMTP based on TCP or UDP? - Stack Overflow - stackoverflow.com
- What is SMTP (Simple Mail Transfer Protocol)? - TechTarget - techtarget.com
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