Mailsnag is described as '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' and is a Mail Server in the development category. There are more than 25 alternatives to Mailsnag, not only websites but also apps for a variety of platforms, including Mac, Linux, Windows and SaaS apps. The best Mailsnag alternative is Postfix, which is both free and Open Source. Other great sites and apps similar to Mailsnag are Mailpit, MailHog, Mailcatch.app and Mailtrap.
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.
Postfix is the most popular Mac & Linux alternative to Mailsnag.
Postfix is the most popular Open Source & free alternative to Mailsnag.
Mailpit is the most popular Windows alternative to Mailsnag.
An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.
Mailcatch.app is the most popular Web-based alternative to Mailsnag.
Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.
Papercut is a simplified SMTP server designed to only receive messages (not to send them on) with a GUI on top of it allowing you to see the messages it receives.
Capture SMTP traffic from staging and dev environments. Easily validate email content text or HTML/CSS. Utilize an Email Sandbox to thoroughly examine and troubleshoot emails within staging, development, and quality assurance (QA) environments prior to sending them to recipients...
FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java.
Generate temporary, anonymous email addresses with web-based inboxes designed to avoid spam, verify signups, and protect privacy, without requiring registration, passwords, or personal info. Use for website tests and short-term communication needs.
Mailisk is an E2E email testing platform. It allows you to receive emails with code and automate email flows. You get a unique subdomain and access to unlimited custom email addresses.
MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.
EmailVoid is email message receive service that provides API to check that message reaches your expectation.
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