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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.

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.