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MailHog vs Premailer: What are the differences?
MailHog: Web and API based SMTP testing. It is an email testing tool for developers. You can configure your application to use MailHog for SMTP delivery. You can view messages in the web UI, or retrieve them with the JSON API; 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.
MailHog and Premailer belong to "Email Testing" category of the tech stack.
Some of the features offered by MailHog are:
- ESMTP server implementing RFC5321
- Support for SMTP AUTH (RFC4954) and PIPELINING (RFC2920)
- Web interface to view messages (plain text, HTML or source)
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
MailHog and Premailer are both open source tools. MailHog with 5.16K GitHub stars and 342 forks on GitHub appears to be more popular than Premailer with 2.02K GitHub stars and 336 GitHub forks.