Inferse
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your platform
Vendor dashboard

Mailosaur

APIyesOSS—FREE—DOCS5/5
MA6.8#10 of 28
outWeb—Windows—Mac—Linux—Android—iOS

Ranked in Email Testing Software ·Free trial· paid from $20/mo

Visit site Alternatives

About

Mailosaur is ranked #10 of 28 in email testing software on Inferse. It runs on API, Web. There is no free plan. A free trial is offered. Paid plans start at $20/mo.

Compared on email testing software

Free plan
Nomailosaur.com
Paid from
$20/momailosaur.com
Device coverage
bothmailosaur.com
Spam checks
Yesmailosaur.com
Accessibility checks
Yesmailosaur.com
Link checks
Yesmailosaur.com
Inbox testing
Yesmailosaur.com
API access
Yesmailosaur.com

Facts

Product
Mailosaur captures email and SMS messages and lets teams test them through its web dashboard and testing API.mailosaur.com · 30 Sept 2026
Email and SMS tests
The service supports end-to-end tests of email and SMS workflows such as sign-ups, authentication, password resets, OTPs, and MFA.mailosaur.com · 30 Sept 2026
Email previews
Email previews show rendering across clients, devices, and light and dark modes using real devices.mailosaur.com · 30 Sept 2026
Message checks
Teams can inspect message content, layout, links, and flows, and validate accessibility and email-client compatibility.mailosaur.com · 30 Sept 2026
Integrations
Mailosaur lists integrations and guides for frameworks and tools including Cypress, Playwright, Selenium, Cucumber, Robot Framework, Postman, Insomnia, WebdriverIO, TestCafe, PowerShell, and Ghost Inspector.mailosaur.com · 30 Sept 2026
API libraries
Official API clients are listed for Node.js, Java, Ruby, Python, .NET, PHP, Go, and JavaScript.mailosaur.com · 30 Sept 2026
Inbox limits
The number of inboxes depends on the plan, and Personal plan customers cannot create additional inboxes.mailosaur.com · 30 Sept 2026
Cloud hosting
Mailosaur says its servers are hosted on Google Cloud Platform in data centers in the EU and United Kingdom.mailosaur.com · 30 Sept 2026
Encryption
Mailosaur says its systems use current encryption protocols and cipher suites, with AES-256 encryption at rest.mailosaur.com · 30 Sept 2026
Compliance
Mailosaur states that it is ISO 27001:2022 certified and PCI DSS compliant, and adheres to GDPR, the Data Protection Act, and CCPA.mailosaur.com · 30 Sept 2026
Enterprise identity
Enterprise SSO supports SAML and OpenID Connect, and Mailosaur documentation names Okta, Microsoft Entra ID, and Ping Identity as example identity providers.mailosaur.com · 30 Sept 2026
Support
The Enterprise plan includes advanced support and SLAs, an account manager, and support for custom terms.mailosaur.com · 30 Sept 2026
External email sending
To send, reply to, or forward email to an external address, Mailosaur requires verification that the address owner has given consent.mailosaur.com · 30 Sept 2026

Company

Headquarters
The Square, Basing View, Basingstoke, Hampshire RG21 4EB, United Kingdommailosaur.com · 28 Sept 2026

Best Mailosaur alternatives

See all 12
Emailens01 APIOSSFREEDOCS $9/mo7.4Mailpit02 APIOSSFREEDOCS Free7.4MailSlurp03 APIOSSFREEDOCS $19.99/mo7.4Mailtrap Email Sandbox04 APIOSSFREEDOCS $17/mo7.4GlockApps05 APIOSSFREEDOCS $59/mo7.3SMTP Labs06 APIOSSFREEDOCS $7/mo7.3

Where it ranks on Inferse

Sources