Mailpit Alternatives & Competitors

MailHog is an email testing tool inspired by MailCatcher, but easier to install.

Key MailHog features:

Easy Setup Web Interface SMTP Server Simulation Integration with Development Environments

Open Source

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

Key Mailtrap features:

Automated Testing HTML/CSS Check Spam Analysis Deliverability Alerts

Open Source freemium

End-to-end encrypted cloud storage built for teams. Keep all your business data private, fully secure, and under your complete control. No backdoors, no tracking, no compromises. Swiss privacy laws and zero-knowledge encryption protect what matters.

Key Proton Drive for Business features:

Privacy and Security User-Friendly Interface Open Source Cross-Platform Access

Try for free Open Source paid Free Trial $7.99 / Monthly (Drive Professional)

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

Key MailCatcher features:

Easy Setup Web Interface Simplicity Integration Capabilities

Open Source

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

Key FakeSMTP features:

Ease of Use Free and Open Source No Email Sending Local Testing

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

Key Papercut features:

Cost Efficiency Environmental Benefits User Management Security Features

Open Source

Email Testing for QA & Development Teams.

Key Mailosaur features:

Ease of Use API Integration Realistic Testing Comprehensive Documentation

An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.

Key Mailcatch.app features:

Inboxes Workspaces HTML/RAW Preview Support System

freemium

Streamline email testing with our reliable sandbox account.

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

Key Smtp4dev features:

Open Source Local Testing Cross-Platform Web Interface

maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats.

Key MailDrop features:

Ease of use Privacy No registration required Free to use

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

Key Postfix features:

Security Performance Compatibility Reliability

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

Key mailslurp features:

Temporary Email Generation API Integration Email Receiving and Sending Customizable Domains

Open Source freemium

Mailisk is an E2E email testing platform that gives you a unique subdomain with unlimited email addresses and an API to access them.

Key Mailisk features:

Temporary Email Addresses Ease of Use Free Basic Service Integration Capabilities

freemium $9.0 / Monthly