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Our Guarantee

NeverBounce is extremely confident in providing the highest level of accuracy when cleaning lists of any size. In doing so, we are able to offer a 97% accuracy guarantee that your valid emails will not bounce after cleaning them using NeverBounce. Should more than 3% of your valid emails bounce after using our service, we will refund the difference back to you.

In order to meet this guarantee, the following is required:

  • The list must have been cleaned by NeverBounce within 72 hours of being mailed to.
  • The list must contain a minimum of 500 unique email addresses.
  • Our guarantee only covers mailing to deliverable addresses and not to those that have been categorized as invalid, catch-all, unknown or disposable.
  • Bounces due to internal technical issues, sender reputation, or similar technicalities will not qualify for our guarantee.
  • Email addresses that bounce must be indicated as invalid.

To submit a case for guarantee review, please provide the following via email to support@neverbounce.com:

  1. The Job ID in question processed through NeverBounce
  2. The date and time of sending
  3. The categories sent to (valid,catch-all, etc)
  4. An export of your full mailing containing all emails sent to and their bounce responses