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MailCatcher vs Premailer: What are the differences?
What is MailCatcher? An email testing tool. 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.
What is Premailer? Pre-flight for HTML email. 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.
MailCatcher and Premailer belong to "Email Testing" category of the tech stack.
Some of the features offered by MailCatcher are:
- 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
On the other hand, Premailer provides the following key features:
- CSS styles are converted to inline style attributes
- Relative paths are converted to absolute paths
- CSS properties are checked against e-mail client capabilities
MailCatcher and Premailer are both open source tools. MailCatcher with 4.74K GitHub stars and 457 forks on GitHub appears to be more popular than Premailer with 2.02K GitHub stars and 336 GitHub forks.
