MailSlurp
7.9#1 in email testing softwareFrom $19.99 a monthFree planAndroidiOSWebAPI
VisitMailSlurp vs SMTP Labs
What both publish
| Fact | MailSlurp | SMTP Labs |
|---|---|---|
| Integrations | The integrations directory lists 79 items, including SDKs, Playwright, Cypress, Selenium, BrowserStack, Zapier, Power Automate, UiPath, Postman, GraphQL and webhooks. | The maker documents CI use with GitHub Actions, Jenkins, GitLab CI, and CircleCI, using standard SMTP and the REST API. |
| Licence | The hosted MailSlurp service is proprietary, while public official SDK repositories such as the TypeScript client are MIT licensed. | The terms grant a limited, revocable, non-transferable license for personal or internal business use and prohibit copying, reverse engineering, hosting, or commercial exploitation. |
| Security controls | The security policy states TLS in transit, AES-256 encryption at rest, AWS RDS/S3 storage, daily backups, VPNs, network ACLs, penetration testing and RBAC. | The privacy policy says the service uses encryption, firewalls, SSL technology, and third-party authentication protections. |
MailSlurp plans
- FreeFree
- Starter$19.99 a month
- Pro$49.99 a month
- Growth$129.99 a month
- EnterprisePriced on request
SMTP Labs plans
- LiteFree
- Pro$7 a month
- Max$20 a month
Pick MailSlurp if…
It suits developers building email or SMS workflows and teams testing message delivery, inbox placement, or application flows. Teams handling email and attachment data may also find the JSON extraction tool relevant.
Pick SMTP Labs if…
SMTP Labs suits developers and teams who need to inspect test email without sending it to external recipients. Its documented CI integrations include GitHub Actions, Jenkins, GitLab CI, and CircleCI.