Hello Client,
Greetings of the Day.
Sir you are wasting your time and money. mailchimp , interspire , mailgun these are old technologies and very expensive when using their smtp server.
PowerMTA is the perfect solution for your requirement which i ro provide for $500 package per month which comes with dedicated hosting + 15 IP rotation + PowerMTA 4 + Detail reports of open/spam/bounce. Daily 50,000 emails with no suspension of accounts as we own the server.
One time investment and we take care of campaign. loading your email list, designing of template compatible with W3C formats. we can discuss over s k y p e in details
Awaiitng
Arjunagroup