I Need Email AutoResponder Server

I want e*mail autoresponder chatbot because I am using Gmail, Yahoo, outlook etc for just send to client hi, hello simple message and set the reply to email my server e*mail(E*mail autoresponder chat bot E*mail). 8-9 massage fit on the bots and time [login to view URL] Just 30 minutes after the boat sent a first message to our [login to view URL] client reply this message 10-20 min delay ( i am set time) to sent 2nd message now same 3,4,5,6,7,8, the message was sent. If any client is not replied 1,2,3,4,.... then My 8 messages will be set on follow-up. then 10- delay 1 by 1 massage are sent.I need this process. I was attached some demo server screen short. Restricted bid India, pakistan, bangladesh