Consumers study a server's supported choices by using the EHLO greeting, as exemplified under, instead of the first HELO. Consumers drop again to HELO provided that the server would not support EHLO greeting.[24] The server processes this email and establishes the suited subsequent server determined by the receiver's address. https://lorenzoevfrc.blog2freedom.com/26762393/top-latest-five-server-security-expert-urban-news