Assist me with Bulk Email Marketing -- 2

I have a website which have over 200k members and I am finding it extremely difficult sending them newsletter through email. I also have an email opt-in list of over 300k which I need to be sending constant update to weekly. I need a bulk email solution with the following features: *Follow up with prospects automatically *Optimize your email click thru rates *Statistics Reporting *Automate your list management *Keep your lists clean and up to date *See the complete activity of a lead *Segment and filter contacts Email server security:- SPF/DKIM installation RDNS creation Open Relay Disable Exim mail server security tweaks ClamAV Antivirus for virus scan I will implement as below mailing techniques:- 1. Ip rotation -> Prevent blacklisting 2. Spf, domain keys enabled-> Increase inbox delivery 3. Reverse dns enabled -> Increase inbox delivery 4. Open relay disabled -> For mailing server security 5. DMARC enabled-> For mailing server security