MailCull blog: field notes on email deliverability and list quality
What to Actually Do With Risky and Unknown Verification Results
Two of the four statuses decide themselves. These are the two that need you.
CRM Data Hygiene: Keeping Contacts Clean in HubSpot, Salesforce and Pipedrive
A dead address in the CRM costs selling time, not just a bounce.
Nine Email Data Myths That Cost People Money
Nine things people believe about email data that quietly cost them money.
How to Test an Email Verification Service Yourself
Build a control set where you already know the answers. Then measure.
Double Opt-In vs Single Opt-In: The Honest Trade-Off
You lose signups. You gain a list where every address is proven. Here is the maths.
Email Verification and GDPR: What Is Lawful When You Clean a List
An email address is personal data. Verifying it is processing. Here is what that means.
How to Choose an Email Verification Service
Ignore the accuracy claims. Here is what actually separates these tools.
Stop Bad Email Addresses at the Signup Form
Cleaning is repair. This is prevention, and it costs less.
Why Are My Emails Bouncing? A Diagnostic Walkthrough
The bounce report has the answer. You just need to read the codes.
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