Need to know about sending email loop

Dear Support

      I need to know when i have email list over 10000 emails.When i sending all of email list.The sendy system will sending email to queue and follow send to amazon ses smtp server.

Question 1.If i need to stop sending because html text in email is invalid,How can i should? (in this case i rename table queue for stop to send amazon ses smtp server)

Question 2.The sendy system have time for sending email loop of 10000 emails for protect isp add to blacklist . (ext. when system send 50 emails and stop 1 min and send 50 emails again or the amazon ses have delay time already) ,I don't know about this case.