MailSlurp Alternatives (January 2026)

Disposable email accounts and instant random email address

https://www.mailslur.com/

Random email address and phone number generators. Use SMS and email in otp tests, 2fa verification, and marketing.

2.7/5

10+ reviews

Reviewed on:

https://www.mailinato

.com/

Mailinator provides Email and SMS Workflow Testing for Developers, Dev Teams, and QA Testing. Automate testing for 2FA and password resets.

Test any email, SMS or user action with one API | Mailosaur

https://www.mailosau

.com/

Mailosaur removes the frustration of testing everything a user might do.  Test password resets, replies, two-factor logins, and more.

Mailtrap: Email Delivery Platform

https://mailtra

.io/

Email Delivery Platform to test, send and control email infrastructure in one place. Great for dev teams. Start today - Sign Up free!

Automate email tests | loved by developers & QA teams

https://testmai

.app/

Test new user signups, transactional emails, spam scores, and more. Get started on our free forever plan with unlimited email addresses and mailboxes.

Free real-time email verification service | ValidEmail

https://validemai

.net/

Free real-time email verification service. Easy to use. Start using in 30 seconds

Temporary Disposable Email. Email Forwarding. Newsletter grouping - Email Monster - Email Monster

https://em

.monster/

Email Monster acts as a firewall for your email address. You never have to reveal your real email anymore, by masking your email with unlimited temporary forwarding addresses. Also, it helps fight inbox clutter with delayed future emails and sender blocking, even without unsubscribe links.

DeBounce - Fast & Accurate Email Validation and Email Verification Tool

https://debounc

.io/

Email Validation and Verification, Email Checker and Bulk Verify Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.

ImprovMX — Free email forwarding. Email aliases for your domain name.

https://improvm

.com/

Set up email forwarding in seconds and start receiving and sending emails with your domain name. Absolutely free. No registration. 24/7 Support.

mailboxlayer API | Free, Powerful Email Validation API

https://mailboxlaye

.com/

Simple and powerful email verification JSON API using SMTP, typo checks, syntax validation, and free and disposable provider filtering. Free for personal use.