MailHog Alternatives

Email Delivery Platform that delivers just in time.
 Great for businesses and individuals.

Open Source freemium

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...

Open Source

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.

Email Testing for QA & Development Teams.

Email and SMS testing and development platform for software engineers and QA testers

Open Source freemium

Smtp4dev is an all-in-one SMTP server designed to develop and test emails in your applications.

Fake SMTP server for safe email testing. Stop accidentally spamming your customers.

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.

freemium

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.

Dummy SMTP server with JavaFX gui for testing email sending applications - anlar/lunaticsmtp

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.

Papercut is an operational print management platform designed for windows, macs, and Linux, helping you keep track of all your prints.

Open Source

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.