Guides
Getting Good Results from Email Marketing: It's Not Magic
Sending emails into the void? Stop spraying and praying. Here is how to clean your list, target your audience, and actually get results.
Writing
Insights on email deliverability, security, and product updates.
Product
The Free Email Verifier API is here
We're launching a completely free email verification API to help you catch typos, block disposable emails, and clean your list. 50,000 checks/month on the house.
Guides
Can You Verify an Email Address is Real?
Is it possible to check if an email exists without actually sending a message? The short answer is yes. The long answer is... complicated.
Guides
Protecting Your Free Trial from Abuse
Fake signups and trial farmers can ruin your metrics and inflate your bills. Here is how to stop them at the door.
Guides
How Typos in Email Forms Cost You Customers
A simple typo can mean a lost customer forever. Learn how to catch errors at the source and recover lost revenue.
Guides
How to Reduce Email Bounce Rates in 2025
High bounce rates can destroy your sender reputation. Learn actionable strategies to keep your email list clean and your deliverability high.
Guides
Email Verification Best Practices for 2025
The rules of the inbox have changed. Here is how to keep your emails flowing in 2025 without getting flagged as spam.
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