Clientele learn a server's supported selections by using the EHLO greeting, as exemplified underneath, in lieu of the first HELO. Customers tumble again to HELO only if the server doesn't support EHLO greeting.[24] Consequently, all through this time span, the two brokers have active copies with the concept that https://zanetghcw.link4blogs.com/48892714/about-remote-technical-support