Emailmarketing Server / Solution for 500/600K Daily

We are looking for an expert in Bulk Email Marketing Ideally you have your own stable email server for bulk emails. We want someone who is experienced in setting up an email server (using Interspire or other) that is able to handle: - at least 600.000 (or more?) emails per day - should be able to use multiple rotating IP addresses (256 CLEAN IPs or better more???) -We are doing Marketing in Europe (Germany, UK) - Inbox (even on free Mails like GMX or [login to view URL]) must have a high rate - The Server should be with Security and a Firewall - With Cron Job - We pay every week due to many bad experiences. IMPORTANT: The amount is divided by 4 Weeks and paid on time every week. We are CAN-SPAM compliant but our lists, although opt-in, are aged so we will likely have some spam complaints. We are looking for a solution that won’t shut us down due to some complaints and if the IP is blacklisted then they can provide us with additional IPs. You have to remove the blacklisted IPs. Please bid only if you have experience in this and know what is involved in setting up an email server with rotating IPs. Your Bid is for 1 Month included the full System, your Work and Service. We only want LONG TERM Work with you!