Write some online based Software for me

Work Details Need online based software that can send bulk email. Requirement 1 I will set 1000 email on my software. Every time someone sends me mail the auto responder going to save the mail till 100. Then after 5 minutes the software will send reply to the mail automatically 1 by 1 (reply message will set by user) using the 1000 mail address that I set previously. Every reply will send using different email. Like if I input 1000 email 1. 1gmail,com 2. 2gmail,com 3. 3gmail,com 4. 4gmail,com 5. 5gmail,com …………….. Subsequently. Till 100. Reply 1 will send form mail address 1 then reply 2 will send using mail address 2 this process will go till 100. Then this process will go one for next 100 and this will rotate every time. Requirement 2 Which mail that the software reply then if someone sends mail back means 2nd reply then for 2nd reply I will set another 1 mail address and 1 message. 2nd reply will send automatically after 5 minutes or after 24 hours that I can set by my choice. Requirement 3 Software will have IP changing option. I will set 100 IP addresses that will change after 1 hour automatically.