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.
Anti-spam laws and compliance: CAN-SPAM, GDPR, CASL
Secure your domain against spoofing using DNS authentication. Verify your setup and protect sender reputation with real-time checks and inbox placement tests.
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Clean your prospecting list with bulk email verification. Reduce bounces, improve deliverability, and boost outreach success with accurate, real-time validation
Verify email list quality and test inbox placement with external tools. Reduce bounces, boost deliverability, and maintain sender reputation in 2026.
Clean your email list efficiently with the best way to perform batch MX record checks. Reduce bounces, improve deliverability, and boost inbox placement.
Boost SaaS onboarding success with real-time email validation APIs. Reduce bounces, verify addresses instantly, and improve inbox placement—starting with 100
Stop cold emails from bouncing or being blocked. Use real-time verification to prevent rejection in college admissions outreach with accurate, deliverable addre
Ensure your WooCommerce emails land in inboxes with this verified, step-by-step deliverability checklist — includes real-time verification and integrations wi
Automate accurate email validation in your accounting workflows. Reduce bounces, improve deliverability, and maintain sender reputation with real-time verificat
Clean your franchise outreach list with real-time email verification to reduce spam complaints, improve deliverability, and boost engagement. Start with 100 fre
Ensure your recurring membership newsletters reach inboxes. Use accurate tools to check deliverability, reduce bounces, and protect sender reputation—no guess
Create accurate inbox-placement reports for clients with MailTester’s real-time deliverability testing. Reduce bounces, improve sender reputation, and prove r
Monitor cold email campaigns to prevent blacklists. Use real-time verification, inbox testing, and list hygiene to maintain sender reputation and ensure deliver
Stay sharp
Occasional, practical notes on verification and inbox placement. No spam — we'd be embarrassed.
