In the case you use a new domain where no mailings have been ever launched previously, or a domain that has not been used for a long time, you need to warm it up. The truth is that when you start sending email campaigns with a new domain or new IP addresses, email services consider you to be an untrustworthy sender. That’s why you need to warm up email domain to improve your reputation and avoid getting into spam. What’s warming up email domain Warming up email domain means a gradual (within 4-6 weeks) increase in the power […]