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.
Inbox placement by mailbox provider: Gmail, Outlook, Yahoo and spam filters
Use MailTester’s real-time API to verify email addresses and test inbox placement in Gmail, Outlook, and Yahoo. Reduce bounces and boost deliverability now.
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Ensure accurate event campaign performance tracking by verifying recipient email addresses. Prevent bounces, improve deliverability, and boost engagement with t
Verify if college admissions emails reach inboxes with real-time testing. Reduce bounce rates and improve response rates using inbox-placement verification.
Find a true alternative to Clearout with MailTester’s comprehensive email deliverability checker. Verify lists, test inbox placement, and reduce bounces—acc
Learn what DMARC is and how to configure it correctly for email sending. Improve deliverability and stop spoofing with proper setup and verification.
Clean your coaching business email list with a reliable verification tool. Reduce bounces, boost deliverability, and improve campaign performance with real-time
Boost your email campaign ROI by removing invalid, role, and disposable emails from construction contact lists. Reduce bounces, improve deliverability, and incr
Verify real estate agent email addresses and test inbox placement before mass outreach. Reduce bounces, improve deliverability, and boost response rates with re
Improve deliverability and engagement in hotel marketing by cleaning your email list. Use real-time verification to reduce bounces and spam traps.
Ensure your Braze campaigns reach inboxes with real-time email validation and inbox-placement testing. Cut bounces and boost deliverability now.
Test your Ontraport email deliverability in real time. Detect bounces and spam risks before sending. Improve inbox placement and sender reputation.
Test your travel company’s email lists for validity and deliverability. Reduce bounces, improve inbox placement, and boost outreach success with real-time ver
Stay sharp
Occasional, practical notes on verification and inbox placement. No spam — we'd be embarrassed.
