Hello , Greetings From swastik vaishnav Thanks for showing interest in our services and contacting We use Interspire as a interface to send bulk mails. We also have our own set up of servers with a well experienced dedicated technical team (Available 24*7) that maintain and looks after each and every technical aspect regarding email campaigns such as IP Rotation ,IP Black List Management,Feed Back Loop Management , Domain Blacklist Management, Bounce Process etc. You will also have a complete track of your Mailing such as Open rate,Bounce Rate , Click-Through rate etc. using our system. you need to upload your data and create campaign on platform and shoot rest all will be managed by team ,moreover we can help you in campaign creation and list uploading on platform. we also provide web design,web development,SEO,SMM,Dedicated hosting and Ips also dedicated server, for more details please go through our websites. Regards swastik vaishnav