The Guardian
Compliance & Deliverability Protection
Protect your sender reputation with real-time domain health monitoring, DNC verification, blacklist checking, and automatic compliance with Gmail/Yahoo 2024-2025 requirements.
What This Engine Does
Protect client domain reputation and ensure all outbound campaigns meet deliverability best practices and compliance requirements. The Guardian is the first line of defense against bounces, spam complaints, and blacklisting.
Time Savings
How It Works
The Guardian operates through a multi-phase workflow designed for maximum automation and reliability.
Lead Verification
Validate and verify every email address before sending
- Receives lead list via webhook or file upload
- Validates email format (syntax check)
- Verifies MX records exist for each domain
- Checks email deliverability via verification API (NeverBounce/ZeroBounce)
- Removes catch-all and risky emails
- Deduplicates against existing campaign lists
- Returns verified list with quality scores
DNC & Compliance Check
Ensure compliance with regulations and client preferences
- Cross-references leads against client DNC list
- Checks against global suppression list
- Validates GDPR/CCPA compliance flags
- Removes competitor companies
- Removes existing customers (from CRM sync)
- Flags leads requiring special handling
Domain Health Monitoring
Continuous monitoring of sender reputation
- Checks SPF, DKIM, DMARC records
- Monitors blacklist status (daily across 50+ lists)
- Tracks spam complaint rates
- Monitors bounce rates per domain
- Tracks sender reputation scores
- Alerts on threshold violations
When It Runs
This engine works autonomously so you don't have to
Fully Automated
Runs in the background without manual intervention
- Automatically verifies every new lead before it enters a live campaign
- Proactive domain reputation monitoring—catch issues before they impact deliverabilityContinuous daily checks
Performance Metrics
Key thresholds and benchmarks monitored by this engine
Email Verification
| Metric | Pass | Fail | |
|---|---|---|---|
| Email Syntax | Valid | Invalid | |
| MX Record | Exists | Missing | |
| Deliverability Score | >80% | 60-80% | <60% |
| Catch-All Detection | No | Yes (flagged) |
Domain Health
| Metric | Healthy | Warning | Critical |
|---|---|---|---|
| Bounce Rate | <2% | 2-3% | >3% |
| Spam Complaints | <0.1% | 0.1-0.3% | >0.3% |
| Blacklist Status | Clear | Listed | |
| SPF/DKIM/DMARC | All pass | 1 missing | 2+ missing |
Inputs & Outputs
What goes in and what comes out
Inputs
- 1Lead ListCSV or JSON file with prospect email addresses
- 2Client DNC ListDo-not-contact list from client CRM
- 3Domain ConfigurationSending domains to monitor
Outputs
- 1Verified Lead ListCleaned CSV/JSON with quality scores
- 2Verification ReportStatistics on verification results
- 3Domain Health DashboardReal-time reputation metrics
- 4Critical AlertsSlack notifications for issues
Business Impact
The measurable benefits this engine delivers
Deliverability
Maintain 95%+ inbox placement rate
Reputation
Protect domains from blacklisting
Compliance
Avoid legal issues with GDPR, CAN-SPAM
Efficiency
Stop wasting sends on invalid emails
Connected Data Sources
The platforms and services this engine integrates with
Frequently Asked Questions
Common questions about The Guardian
Works With
Other engines that complement this one
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