MailSlurp helps teams build and validate email workflows end-to-end: inbox provisioning, inbound processing, outbound testing, and deliverability diagnostics.
What you can do
- Create disposable or permanent inboxes for testing and staging
- Receive inbound email with APIs and webhooks
- Route messages and attachments into internal systems
- Validate authentication and delivery with DNS tooling
- Monitor policy health and reduce spoofing risk
Start with email DNS and authentication
These pages are the fastest way to diagnose SPF, DKIM, DMARC, and routing issues:
Core workflows
- Email API overview for architecture and implementation planning
- Send email API for transactional send implementation and release controls
- Inbound email API for webhooks and routing
- Receive email API for deterministic retrieval and assertions
- Email webhooks for real-time inbound processing
- Test email accounts for QA and CI
- SMTP ports and SMTP relay setup and troubleshooting
- Free email API capability overview for implementation and evaluation
- Email archiving for governance and audit workflows
- Email retention policy for retention schedule and control design
Platform capabilities
If you are comparing solutions or designing your architecture, start here:
- Email API for developers
- Email address API
- Email automation and routing
- DMARC, SPF, and DKIM monitoring
- DMARC monitoring workflow
- Email integration testing
- Email compatibility testing
- SendGrid alternative
- Mailgun alternative
- Postmark alternative
- MXToolbox alternative
- SendGrid pricing comparison
- HIPAA email workflow guide
- SOC 2 communications controls