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.
Deliverability monitoring, metrics and reporting
Track real-time API performance and public incident reporting to maintain inbox deliverability and reduce bounce rates.
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Migrate to Apple Hide My Email with confidence. Use this verified, step-by-step checklist to validate your email infrastructure, reduce bounces, and.
Learn how to determine the right sample size for email domain deliverability analysis. Reduce bounces, improve inbox placement, and validate sender.
Learn whether DKIM2 truly eliminates backscatter in mass email campaigns. Understand its role in deliverability, bounce handling, and why list hygiene.
Understand what SPF softfail in Authentication-Results means, how it impacts deliverability, and how to fix it using real email-verification tools with.
Ensure secure token delivery with proven SaaS email deliverability solutions. Reduce bounces, avoid spam filters, and improve inbox placement with.
Discover how domain redirects affect DMARC alignment during email verification. Learn the technical impact, real-world risks, and how to verify emails.
Discover how Rspamd symbols influence inbox placement compared to SpamAssassin. Learn actionable fixes to improve deliverability using real-time.
Learn how mailbox providers manage two-day unsubscribe timelines and what it means for your email deliverability.
Learn how to detect email spoofing by identifying Received line hop timing inconsistencies. Verify domains, improve sender reputation, and prevent.
Discover how new generic domains impact inbox placement and whether ISPs flag them as spam. Reduce bounces and improve deliverability with real-time email.
Learn how RFC 9989 improves DMARC policy enforcement granularity. Boost email deliverability, tighten sender reputation, and reduce spoofing risks with.
Stay sharp
Occasional, practical notes on verification and inbox placement. No spam — we'd be embarrassed.
