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Deliverability Guarantee

Email deliverability is a critical metric for the success of your email campaigns; we guarantee your deliverability while you are using our service.

Email deliverability is a critical metric for the success of your email campaigns, and your mailing reputation as a whole. DeBounce uses industry best practices to ensure the most accurate verification results possible. We back up our verification results with a 97.5% (or better) deliverability rate guarantee in total with bellow circumstances:
  • 96%+ Accuracy rates on AOL, Yahoo, and office 365 email accounts.
  • 98%+ Accuracy rates on everything else.
  • Note:If your list contains old Yahoo emails, please contact support prior validating your emails, so our experts can advise you the best methods of managing your list.

Service Commitment and Exclusions


To be considered eligible for the deliverability guarantee, your mailing practices must match the following criteria:

  • Batch of at least 1,000 email addresses, verified with DeBounce, and sent within a 48-hours period.
  • Email addresses must be classified as Deliverable and Safe to Send.
  • Bounces must be the result of an invalid (non-existing) email address. Unqualified bounces may include (but are not limited to) poor sender reputation, mail server misconfiguration / unavailability, etc.
  • Bounces due to spam content, blacklisted IP's, technical Issues, invalid mail configuration, throttling, etc do not qualify for the guarantee.
  • This list must be an opt-in list that you collected and not purchased from a 3rd party.

How the Guarantee works

If you believe we have not lived up to our guarantee, please open a feedback form within 30-days of the discrepancy. Qualified paying customers can receive additional verification credits as below:
If the accuracy rates are below over-mentioned thresholds, we will add 5 times the amount for each 1%. Let's say you have a 97% accuracy rate, which is 1% below the guaranteed threshold of (98%+ Accuracy rates on everything else). We will add 5 x 1% (or 5%) of your total validation credits for those emails to your account balance. If your accuracy rate is 2% below the guaranteed threshold, our credits refund will be of 10% of your list size. If it's 4% below, the credit refund will be 20%, and so on.

If you get more that 8% bounces, we will refund all your money.