MailHog is described as 'Email testing tool inspired by MailCatcher, but easier to install' and is an app in the office & productivity category. There are more than 25 alternatives to MailHog for a variety of platforms, including Web-based, Mac, Linux, Windows and SaaS apps. The best MailHog alternative is Postfix, which is both free and Open Source. Other great apps like MailHog are Mailpit, Gmailnator (Emailnator), Mailcatch.app and txen.de.
TempuMail is Temp Mail, also known as Temporary Email, Disposable Email, or Fake Email, is an online service that provides users with a temporary email address. This type of email address can be used to protect your privacy when making online purchases, signing up for online...
Email Testing for QA & Development Teams. Catch every email your product sends, analyze it's contents, follow links and test deliverability all via the Mailosaur API.
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.
Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered.
Origami SMTP was created with the idea to have a fake email server for testing purposes that supported TLS. This is because the code the developer was working on at the time had several hard coded values enforcing TLS so most other solutions would not work.
testmail.app is an email testing platform for developers and QA teams. Create unlimited test email addresses on the fly using namespaces and tags, with no inbox setup required. Tags make it easy to isolate emails between users and parallel test runs.
Sendria (formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.
LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications.
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.
A local SMTP server with email display, used mostly for development of other apps. Think unlimited Mailtrap that runs on your own computer.
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Inbucket has all the major functionalities that MailHog has, but it's still being maintained.