Mailcatch.app is described as 'An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production' and is an website. There are more than 10 alternatives to Mailcatch.app, not only websites but also apps for a variety of platforms, including Windows, SaaS, Mac and Linux apps. The best Mailcatch.app alternative is MailGrab, which is free. Other great sites and apps similar to Mailcatch.app are Mailpit, MailHog, Mailtrap and MailMug.net.
MailDotNull is a local mail catcher for development. It emulates the HTTP send APIs of popular email providers (Resend, SendGrid, Mailjet, Mailgun, Postmark, Brevo, Amazon SES) plus plain SMTP with STARTTLS and SMTPS.
QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc. Integrates with your CI/CD workflow. Includes spam testing.
MailDev is a simple way to test your project's generated emails during development with an easy to use web interface that runs on your machine built on top of Node.js.
DevMail is an email sandbox service for software developers. It allows developers to capture emails from various environments and inspect HTML, text, source code, raw headers, and attachments, and improve deliverability by analyzing email spam scores.
Disposable email inboxes via API for testing signup and authentication flows, with automatic extraction of one-time passwords and magic links.
Sunnybox is a fully featured hosted service for handling your email accounts. Fetch, send and analyze your emails through a single, robust API. Easy email processing for developers.
Mailsnag lets you build resilient SMTP integrations while protecting you from spamming customers during testing on QA and Staging environments. It is like Chaos Monkey for SMTP integrations.
A self-hosted SMTP testing gateway designed to replicate production email behavior—including TLS, DNS, authentication, and spam scoring—so your email tests reflect real-world conditions.
Mailnest is an all in one email QA tool for development & testing teams in IT companies to test & improve email functionality.
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