SMS OTP Testing: Receive the Code and Complete 2FA
Test SMS verification with a real phone number, receive the current OTP, and check login, expiry, resends and one-time use in your application.
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Find practical implementation guides for email and SMS APIs, automated testing, deliverability, inbound workflows, and account setup.
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SMTP IMAP Mail Settings
How to access MailSlurp email accounts using IMAP and SMTP servers. Configure your mail clients or programming SDKs to use SMTP protocols.
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DeliverabilitySMTP Relay Guide: Secure Setup, Delivery Flow, and Troubleshooting
Learn what SMTP relay does, when to use it, and how to configure secure relay policies without creating open relay abuse risk.
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SMTP Server Guide: What It Does, Examples, and How to Test It
Learn what an SMTP server is, how SMTP server flow works, common host, port, TLS, and authentication settings, and how to test delivery with MailSlurp before release.
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Email & APIsSMTP vs HTTP MailSlurp: A comparison of email protocols and services.
The difference between HTTP and SMTP inboxes and domains in MailSlurp API. How to configure custom email addresses online.
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TestingSMTP, IMAP, and POP3 Ports: Secure Defaults and MailSlurp Testing
Use this SMTP, IMAP, and POP3 ports guide to choose secure defaults, configure MailSlurp mailbox access, and test send and receive workflows.
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Team email account sharing - manage team access to emails and inboxes
Manage team access to email inboxes within an organization. Create custom mailboxes and grant access to emails within a team.
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Test an Email OTP from Signup to Confirmed Account
Receive a real verification email in an isolated inbox, extract its current OTP, and use Cypress to confirm the intended account.
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Test SMS OTP signup with Cypress
Test an SMS signup in Cypress with a dedicated MailSlurp number, a fresh OTP, Node-side API calls, and an assertion for the signed-in account.
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TestingTesting email with Cypress test email accounts
Test email accounts for CypressJS. End-to-end testing with real email addresses using MailSlurp Cypress plugin.
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Testing email-related functionality with MailSlurp
Practical guide to email testing with MailSlurp across Cypress, Playwright, Selenium, Robot Framework, and other automation stacks.
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Testing user sign-up (for integration and QA testers)
Use MailSlurp's Playground to test ideas or integrations with a real user sign-up, verification, and login process.
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