MailCull blog: field notes on email deliverability and list quality
2026
5 of 5
The Best Free Email Verification Tools in 2026 (Honest Ranking)
Eight tools, real free-tier numbers, and where each one genuinely wins. The 'best' depends on what you're actually doing.
Can You Verify an Email Address Without Sending One?
Five check layers, in plain English, with the limits of each.
How to Check MX Records for a Domain
What MX records are, how to read them, and what their absence tells you about an address.
How to Verify an Email Address
The few ways to verify an address, what each proves, and where to go deeper.
How to Use MailCull: A Complete Walkthrough
A complete walkthrough of MailCull from signup to first cleaned list, including how to read the 20-code evidence chain on every verdict.
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