Over the years, CoolerEmail has refined the science of deliverability into an art.  Working with the most skilled experts and continually improving the already unmatched reputation of our outgoing IP addresses, CoolerEmail offers the highest deliverability rates in the email marketing industry.   A thank you to the fine people and our friends at www.returnpath.net – over the years they have continually demonstrated exceptional expertise on deliverability matters and we are please to offer our clients the benefits of their offerings.  To learn more about CoolerEmail’s premium email deliverability and whitelist program, please visit www.returnpath.net – managing the most respected whitelist in the email universe, covering more than 1.3 billion mailboxes worldwide.