Skip to main content

Email certainty

When you fetch your results, we give you information about the email addresses that we found. As we cannot be always certain that an email address exists, we develop a scale that give you our certainty. Below you'll find the different kind of level:

CertaintyType of searchMeaning
very_sure / ultra_sureall99% confidence level: expected bounce rate inferior to 1%.
probableall95% confidence level: expected bounce rate inferior to 5%.
undeliverableemail-verificationThe email address does not exist.
not_founddomain-search / email-searchWe have not found an email address for this domain or this person
not_foundemail-verificationWe do not know if this email address exists or not