Tool
Generate a test inbox, send the exact email from your app or ESP, and get a practical report across authentication, DNS, headers, content, links, and infrastructure.
70+
message checks
0-100
report score
API
automation ready
Template previews and copied HTML do not show the final sender path. A useful deliverability test uses the same app, ESP, From domain, Return-Path, DKIM selector, tracking links, and MIME output that users will receive.
The report is designed for teams that need to fix and retest, not just admire a number. It connects message evidence to validation, domain monitoring, DMARC, API workflows, and sample reports.
Check signup, reset, billing, invite, newsletter, and campaign templates before users or subscribers see them.
Attach the report to a root-cause workflow so teams can separate authentication failures from content, link, and list risk.
Use API-created tests and report fetching when deliverability QA belongs in CI, release checks, or internal tooling.
FAQ
No. It tests technical deliverability evidence and risk signals. Inbox placement also depends on reputation, engagement, recipient history, and provider behavior.
Start with revenue or access-critical mail: signup, password reset, invites, billing, alerts, onboarding, and high-volume campaigns.
