NNTP servers support the following protocols:
1. NNTP (Network News Transfer Protocol) – This is the main protocol used for the transfer of Usenet articles between servers and clients.
1. SMTP (Simple Mail Transfer Protocol) – This protocol is used for email communication between servers and clients.
1. POP (Post Office Protocol) – This protocol is used for retrieving emails from a server to a client.
1. IMAP (Internet Message Access Protocol) – This protocol is also used for email communication between servers and clients, but with more advanced features like synchronization of emails.
1. HTTP (Hypertext Transfer Protocol(Secure)) – This protocol is used for accessing web-based Usenet services and interfaces.
1. SSL/TLS (Secure Socket Layer/Transport Layer Security) – This protocol is used for secure communication between servers and clients, encrypting the data being transferred.
