MailCatcher vs Premailer
Overview
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CLI (Node.js)
Manual
Detailed Comparison
For the best HTML e-mail delivery results, CSS should be inline. This is a huge pain and a simple newsletter becomes un-managable very quickly. This script is the solution. | It runs a super simple SMTP server which catches any message sent to it to display in a web interface. It catches all mail and stores it for display. It shows HTML, Plain Text and Source version of messages, as applicable. |
CSS styles are converted to inline style attributes;Relative paths are converted to absolute paths;CSS properties are checked against e-mail client capabilities;A plain text version is created (optional) | Runs as a daemon in the background, optionally in foreground.
Sendmail-analogue command; catchmail, makes using mailcatcher from PHP a lot easier;
Keyboard navigation between messages |
Statistics | |
GitHub Stars 2.4K | GitHub Stars 6.7K |
GitHub Forks 364 | GitHub Forks 596 |
Stacks 17 | Stacks 17 |
Followers 24 | Followers 41 |
Votes 0 | Votes 0 |
Integrations | |
| No integrations available | |
What are some alternatives to Premailer, MailCatcher?
Litmus
Litmus is a testing service for web and marketing professionals. It allows people to cross-browser test their websites, and test their email newsletters across a range of email clients and spam filters.
Email on Acid
Email on Acid is the most affordable, self-serve email testing platform in the world. We can help you maximize the success of your email marketing efforts by diagnosing and improving your renderability, deliverability, click-throughs and conversions.
Mailtrap
We offer one platform that covers all email-related needs in one place: testing, sending, and in-depth tracking to control how email infrastructure works and performs.
Mailsac
Disposable email and fake email capture for QA and development teams
Mailinator
Mailinator is a disposable email service that allows QA departments to test with 1000's of inboxes.
MTN Email Verifier
MTN Email Verifier is a high-performance tool for ensuring that your email communications reach the right inboxes every time. With the rise of email marketing and automated outreach, maintaining a clean list of deliverable email addresses is crucial. MTN Email Verifier combines syntax validation, domain checks, and server-level SMTP verification to deliver a reliable, real-time solution.
Mailpit
Is a free, open-source SMTP testing tool built with Go and Vue. It provides a modern web UI for viewing and testing emails, and includes a REST API for integration testing.
SendPit
Capture and inspect emails in development without sending to real users. SMTP sandbox with team collaboration, secure encryption, and responsive previews.
MailMoxie: Email Deliverability Testing Platform & Consulting
MailMoxie is your platform to identify and fix email deliverability issues. Test emails against 50+ spam triggers, analyze DNS records, and get expert deliverability consulting to ensure your emails reach the inbox, not the spam folder.
Free Email Newsletter Spam Test
Unspam.email is an AI-powered email deliverability and spam testing platform designed to help marketers, developers, and growth teams ensure their emails land in the inbox instead of the spam folder. It provides pre-send testing that evaluates emails across technical setup, content quality, and design, delivering a clear spam score along with actionable recommendations before campaigns are sent. Key features include inbox placement testing across major email providers, blacklist and domain reputation monitoring, SPF, DKIM, and DMARC validation, and cross-device email previews. It also offers an AI-powered heatmap that predicts how recipients are likely to engage with email content, helping optimize layout and improve click-through rates. By identifying deliverability issues early, Unspam.email helps teams protect sender reputation, reduce spam risk, and improve overall email campaign performance.
