Bulk Mail sending

We have a large database of millions of emails and we need someone that has a bulk email server with good-standing IP reputation to deliver our emails. The rate should be 250,000 – 500,000 per day. The freelancer should have many years experience working with email systems and thoroughly know how to avoid problems related to blacklisting of IP and domains. We also need reporting that will provide us with delivery and open rate. . We would like a long term relationship with this freelancer to send out emails and to monitor IPs to make sure they are clean and the server(s) are optimized for the right balance of sending speed versus IP reputation. If you would like to bid on this project you must answer the following questions: 1. Do you have an email system that has delivered over 1 million emails to the inboxes of both private and web-based email systems. 2. Why strategy do you use to insure our IP and domains are not blacklisted. Please make sure you reply with answers to the questions above before submitting your bid. Also, please cut and paste the following text at the beginning of your reply so we know you have read the requirements and you are not spamming us "I HAVE DESIGNED A GOOD BULK OUTBOUND EMAIL SYSTEM AND I HAVE THE SKILLS TO SEND MILLIONS OF EMAILS WITHOUT GETTING BLACKLISTED"