Overview
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: Direct email discovery using name and domain
- Domain Search: Company-wide email discovery
- Author Finder: Content author email discovery
- 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
- 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
- Technical Support: 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.
Last modified on