Email Address Typos: Suggest Corrections Without Changing Contacts Silently

Handle suspected email typos with explicit suggestions. Preserve original input, verify the confirmed address, and avoid silent contact changes.

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Data Hygiene and Validation

Unknown Email Verification Results: A Review and Retry Workflow

Handle inconclusive verification with a review queue, bounded rechecks and clear next actions, without overwriting history or sending exclusions.

Data Hygiene and Validation

Are Email Addresses Case Sensitive? Safe Normalization Rules

Learn which parts of an email address are case-sensitive, when provider rules apply, and how to normalize data without merging distinct mailboxes.

Data Hygiene and Validation

Email Suppression Lists: Keep Exclusions Separate from Verification

Keep unsubscribe, complaint, and delivery exclusions separate from email verification. Preserve suppression decisions across imports and sending tools.

Data Hygiene and Validation

Why a Verified Email Address Can Still Bounce

Use verification history and delivery diagnostics to decide what to investigate when a checked email address bounces.

Data Hygiene and Validation

How Often Should You Verify Your Email List?

Build an email re-verification policy around result age, new imports, changed records, and uncertainty, with clear review and suppression rules.

Data Hygiene and Validation

Role-Based Email Addresses: What to Check Before You Send

What to check before sending to shared addresses: interpret verification results, review the contact's purpose, and decide which addresses belong in a campaign.