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Automatic Retry Policy

Failed emails are automatically retried with exponential backoff:

  • Soft bounces: Retried up to 3 times over 24 hours
  • Temporary failures: Retried up to 5 times over 48 hours
  • Hard bounces: Not retried (permanent failure)

Retry Schedule:

  1. Immediate retry (0 minutes)
  2. Second attempt (15 minutes)
  3. Third attempt (1 hour)
  4. Fourth attempt (4 hours)
  5. Final attempt (24 hours)

After all retries are exhausted, the email status becomes failed.