What is Email Warmup?
Email warmupis the process by which a new email domain or address gradually builds up its sending volume to establish a good sender reputation with email providers.Without a warmup, emails from new domains will almost certainly end up in the spam folder, regardless of the quality
of the content.How does
email warmup work?During warmup you send a limited and gradually increasing number of emails every day.Start with 10 to 20 per day and increase weekly.Warmup tools such as Smartlead, Instantly or Mailreach automate this by sending emails and simulating positive interactions, allowing mail servers to recognize the domain as trustworthy.Why is warmup so important?Email providers such as Gmail
and Outlook do not trust new
domains by default.By gradually building up volume with good open rates and low spam scores, you build domain reputation.ThisOpen RateabsoluteSpam Scoregood deliverability.Warmup for cold emailFor cold emailDeliverabilityalways
warm up at least 4
weeksCold Emailstart outreach.Use multiple domains to spread volume and limit risk.How long does an email warmup take?At least 3 to 4 weeks for basic
reputation.For high shipping
volumes 6 to 8 weeks for optimal deliverability.Can I also warm up a domain manually?Yes, but automated warmup