Domain monitoring
Monitor DMARC, SPF, DKIM, MX, BIMI, and related sender-auth posture over time.
Open DMARC monitoring
Monitor sender health, domain posture, and launch readiness
MailSlurp connects sender-auth monitoring, campaign QA, inbox placement, and delivery evidence so teams catch message risks before they become incidents.
Trusted by top companies worldwide
Track DMARC, SPF, DKIM, MX, and sender-auth drift
Run scheduled and on-demand checks so DNS, provider, and deployment changes do not quietly degrade delivery quality.
Pair delivery posture with template and content checks
Use sender-health monitoring alongside rendering, link, and asset QA so launch decisions reflect both delivery posture and message quality.
Reliability workflows MailSlurp supports
Keep sender trust, campaign readiness, and message quality visible across engineering and lifecycle teams.
Inbox placement
Use real inbox evidence to understand whether important sends arrive where teams expect.
Campaign QA
Check rendering, links, assets, and sender readiness before important sends.
Open campaign QARun history
Keep sender-health checks and remediation results available for review and follow-up.
Alert routing
Send failures to engineering, security, lifecycle, or campaign owners with enough context to act.
Diagnostics tools
Move from monitoring into focused DMARC, SPF, DKIM, header, and domain checks when needed.
Open toolsIntegrate MailSlurp Seamlessly
Integrate with any framework
Official plugins and SDKs for all major programming languages, frameworks, and test platforms. All functionality available via API or dashboard.
CI/CD Native
MailSlurp fits right into your existing development, testing, and CI/CD workflows. Deploy and iterate with confidence and actionable feedback.
Video walkthrough
Domain cleanup workflow with Google Search Console
Global messaging scale
Emails processed
500 million+
Infrastructure that scales.
Mobile networks
20+
Leverage global telecom networks.
Mature platform
10+ years
Stable and dependable.