# 95% Delivery Guarantee - Email Finder Tomba.io stands behind the quality of our Email Finder service with a **95% Delivery Guarantee**. When you use our Email Finder to discover professional email addresses, we guarantee that 95% of the emails will be deliverable and reach their intended recipients. --- ## What Our 95% Delivery Guarantee Covers ### Scope of Guarantee Our 95% delivery guarantee applies to emails discovered through: - **[Email Finder API](https://tomba.io/email-finder)**: Direct email discovery using name and domain - **[Domain Search](https://tomba.io/domain-search)**: Company-wide email discovery - **[Author Finder](https://tomba.io/author-finder)**: Content author email discovery - **[LinkedIn Finder](https://tomba.io/linkedin-finder)**: Professional email discovery from LinkedIn profiles ### Quality Metrics - **Deliverability Rate**: 95% of discovered emails will be deliverable - **Validity Verification**: All emails pass basic format and domain validation - **Active Mailbox**: Emails reach active, monitored mailboxes - **Real-time Status**: Up-to-date deliverability information --- ## How We Achieve 95% Deliverability ### Advanced Discovery Methods #### 1. **Multi-Source Verification** - Cross-reference emails from multiple public sources - Validate against company websites and directories - Verify through social media profiles and professional networks - Confirm with business registration data #### 2. **Pattern Recognition** - Analyze company email patterns and formats - Use machine learning to predict valid email structures - Apply domain-specific formatting rules - Validate against known corporate email schemes #### 3. **Real-time Validation** - SMTP server verification for each discovered email - MX record validation for domain authenticity - Mailbox existence confirmation - Bounce prediction algorithms ### Quality Assurance Process #### Pre-Discovery Filtering - Domain reputation analysis - Company legitimacy verification - Public data source validation - Pattern reliability assessment #### Post-Discovery Verification - Comprehensive deliverability testing - Format validation and standardization - Duplicate detection and removal - Confidence score calculation --- ## Confidence Scoring System Every email discovered through our Email Finder includes a confidence score that indicates delivery probability: ### Score Ranges - **90-100**: Very High - Guaranteed deliverable - **80-89**: High - Highly likely to deliver - **70-79**: Good - Good delivery probability - **60-69**: Medium - Moderate confidence - **Below 60**: Lower confidence (not covered by guarantee) ### Factors Affecting Scores - **Source Quality**: Reliability of the discovery source - **Verification Results**: SMTP and MX validation outcomes - **Pattern Matching**: Accuracy of email format prediction - **Historical Data**: Past performance of similar emails --- ## Guarantee Terms and Conditions ### Eligibility Requirements #### Qualifying Usage - Emails discovered through official Tomba.io APIs or tools - Confidence scores of 60 or higher - Used within 30 days of discovery - Proper email authentication and sending practices #### Proper Implementation - Follow email marketing best practices - Use appropriate email authentication (SPF, DKIM, DMARC) - Maintain good sender reputation - Comply with anti-spam regulations ### Measurement Criteria #### Delivery Success Metrics - Email reaches recipient's mailbox (not spam folder) - No hard bounces or permanent delivery failures - Successful SMTP transaction completion - Recipient server accepts the message #### Exclusions - Soft bounces due to temporary issues - Spam folder placement (if email is delivered) - Recipient-side filtering or blocking - ISP throttling or rate limiting --- ## Claim Process ### When to File a Claim Submit a delivery guarantee claim if: - Your delivery rate falls below 95% for qualifying emails - You experience consistent hard bounces - Email addresses are consistently invalid - Systematic delivery failures occur ### Required Documentation - **Email List**: Complete list of discovered emails - **Delivery Reports**: Detailed bounce and delivery logs - **Confidence Scores**: Tomba.io provided confidence ratings - **Timeline**: Dates of discovery and sending attempts - **Technical Details**: SMTP logs and error messages ### Claim Submission Process #### Step 1: Gather Evidence - Export your email discovery history from Tomba.io - Compile delivery reports from your email service provider - Document specific bounces and delivery failures - Calculate your actual delivery rate #### Step 2: Submit Claim - Contact our support team at [info@tomba.io](mailto:info@tomba.io) - Provide all required documentation - Include your account details and usage period - Specify the delivery rate discrepancy #### Step 3: Review Process - Our team reviews your claim within 5 business days - We verify the discovery methods and confidence scores - Technical analysis of delivery failures - Assessment of compliance with guarantee terms --- ## Remedies and Compensation ### Available Remedies #### Service Credits - Additional API credits equal to failed email discoveries - Bonus credits for future email discovery services - Extended service periods to compensate for poor performance - Priority support for account optimization #### Re-Discovery Services - Free re-discovery of failed email addresses - Enhanced verification for problematic domains - Alternative email discovery methods - Updated contact information research #### Account Optimization - Personal consultation on delivery best practices - Email authentication setup assistance - Sender reputation improvement guidance - Custom integration support ### Credit Calculation Service credits are calculated based on: - Number of failed email discoveries - Percentage below the 95% guarantee threshold - Account tier and subscription level - Historical account performance --- ## Best Practices for Maximum Deliverability ### Email Discovery Optimization #### Target Quality Sources - Focus on high-confidence score emails (80+) - Prioritize recently updated contact information - Use multiple discovery methods for verification - Cross-reference with existing contact databases #### Timing Considerations - Use discovered emails promptly (within 30 days) - Verify emails before large campaigns - Monitor delivery rates continuously - Update contact lists regularly ### Sending Best Practices #### Technical Setup - Implement proper SPF, DKIM, and DMARC records - Use dedicated IP addresses for high-volume sending - Maintain consistent sending patterns - Monitor sender reputation scores #### Content and Compliance - Follow CAN-SPAM and GDPR requirements - Provide clear unsubscribe mechanisms - Personalize messages appropriately - Avoid spam trigger words and phrases --- ## Monitoring and Reporting ### Delivery Analytics We provide comprehensive analytics to help you track and optimize delivery performance: - **Real-time Delivery Rates**: Monitor your current delivery performance - **Confidence Score Trends**: Track the quality of discovered emails over time - **Bounce Analysis**: Detailed breakdown of delivery failures - **Historical Performance**: Long-term delivery rate trends ### Performance Alerts - Automated notifications when delivery rates drop below thresholds - Early warning system for potential delivery issues - Recommendations for improvement actions - Proactive support team outreach --- ## Technical Support ### Guarantee Support Team Our specialized guarantee support team provides: - **Technical Consultation**: Expert advice on delivery optimization - **Integration Support**: Help with API implementation and best practices - **Performance Analysis**: Detailed review of your delivery metrics - **Custom Solutions**: Tailored approaches for specific use cases ### Contact Information - **Guarantee Claims**: [info@tomba.io](mailto:info@tomba.io) - **Technical Support**: [support@tomba.io](mailto:support@tomba.io) --- ## Frequently Asked Questions ### Q: What happens if my delivery rate is exactly 95%? A: You meet our guarantee threshold and no remedial action is required. Our guarantee covers delivery rates of 95% or higher. ### Q: Do temporary bounces count against the guarantee? A: No, only permanent hard bounces count against the delivery guarantee. Temporary issues like full mailboxes or server downtime are excluded. ### Q: How quickly must I use discovered emails to maintain guarantee coverage? A: Emails must be used within 30 days of discovery to remain covered by our delivery guarantee. ### Q: Can I transfer guarantee coverage between different email campaigns? A: Yes, the guarantee applies to the emails themselves, not specific campaigns, as long as they meet our usage requirements. --- This 95% Delivery Guarantee reflects our confidence in the Email Finder service and our commitment to providing you with the highest quality professional email addresses available.