Hello sir,
I have a lot of experience in Bulk marketing .I will provide you very fine server which will produce very good result .
I can provide you a very good quality server with best configuration and sending software .Spf,dkim,rdns and all other aspect will be cover with that .
I'll use pmta as sending agent and Intenspire as the software to send .I'll need 40$ for 500k.
Looking for further talking with you .
Thanks .