What are SMTP Extensions?
SMTP extensions are enhancements to the basic Simple Mail Transfer Protocol (SMTP) used for sending emails. They add extra features and capabilities, such as support for larger email attachments, secure transmission through encryption, and better authentication methods. These extensions make email communication more versatile, secure, and efficient, improving the overall functionality of the email system.
The SMTP Protocol model is of two types namely the End-to-end method and the Store-and-forward method. Further extensions of SMTP are
- STARTTLS
- DANE
Table of Content
- Need of STARTTLS and DANE
- STARTTLS
- DANE
- FAQs on SMTP Extension
SMTP Extensions: STARTTLS, and DANE
SMTP stands for Simple Mail Transfer Protocol. SMTP is an application layer protocol. Whenever a client needs to send mail, opens a TCP connection to the SMTP server and then sends mail over the network. The connection is established by the SMTP server through port 25.