ASK> how to send bulk mailer 100% inbox ?

Im interested to get something to send bulk mailer 20k per day hit 100% inbox just one click..

i have million list email... im interested to promote my product..

what you guys think about this website ?

icontact.com
constantcontact.com

there say, there can delivery 95%-100% inbox.. ?????

I hope someone please shrae your knowledge about inboxing skill..