
What is SMTP? How SMTP Servers Work in Email Systems
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending email over the Internet. Learn how it works, server roles and configuration guide.

SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending email over the Internet. Learn how it works, server roles and configuration guide.

mTLS (Mutual TLS) is a security protocol with two-way authentication between client and server. Learn how it works, pros, cons, and deployment guide.