The Blog
Hard-won lessons on email verification, inbox placement, and keeping your sender reputation spotless — from the team that's been verifying email since 2000.
Email verification and list hygiene for deliverability
Use MailTester’s real-time verification API to clean your client lists, reduce bounces, and improve inbox placement. Start with 100 free verifications.
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Stay sharp
Occasional, practical notes on verification and inbox placement. No spam — we'd be embarrassed.
