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Bundles/data-quality-list-hygiene

Data Quality & List Hygiene Audit

data-quality-list-hygiene · v1.1.0 · paid

Validates email address quality, deduplication logic, data freshness management, and suppression list architecture for email campaign systems.

Email Validation

email-validation · weight 0.3

MX record verification performed on ingest
ab-000853
critical
Disposable email domain detection
ab-000854
high
Role-based address flagging
ab-000855
medium
Catch-all domain detection with conservative handling
ab-000856
low
Validation results cached with TTL
ab-000857
low
Email syntax validation beyond basic regex
ab-000858
high

Deduplication & Normalization

dedup-normalization · weight 0.25

Email lowercased and trimmed before storage
ab-000859
critical
Plus-addressing normalization
ab-000860
low
Domain alias resolution
ab-000861
low
Fuzzy name matching for same-email contacts
ab-000862
low
Merge audit trail maintained
ab-000863
high

Data Decay & Freshness

data-decay · weight 0.25

Contact age tracked per record
ab-000864
high
Re-verification triggered after engagement inactivity
ab-000865
high
Engagement scoring drives freshness classification
ab-000866
medium
Stale contacts queued for re-verification, not deleted
ab-000867
low
Configurable decay thresholds
ab-000868
low
Last-engagement timestamp maintained
ab-000869
high

Suppression & Bounce Management

suppression-bounce · weight 0.2

Hard bounces permanently suppressed
ab-000870
critical
Soft bounce threshold before suppression
ab-000871
high
Global suppression list shared across campaigns
ab-000872
high
Suppression list includes all required sources
ab-000873
medium
Suppression list lookup is indexed for O(1) performance
ab-000874
low
Suppression honored during queue processing
ab-000875
medium