# MJML

10 Hacker News commenters recommended MJML and 0 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** People recommend MJML for building responsive email HTML that handles cross-client quirks so developers do not have to. It is widely described as mature and battle-proven.

## Why people recommend it

- Handles cross-client email compatibility quirks (4 comments): "Picking MJML as the output format instead of raw HTML is the move. That's the layer where the cross-client pain has already been solved by people more patient than any of us." ([source](https://news.ycombinator.com/item?id=48040736)) "MJML was built to abstract all the table-based, Outlook-2007-quirks, Gmail-strips-style nonsense" ([source](https://news.ycombinator.com/item?id=48040642)) "eliminates almost all the cross-client compatibility quirks" ([source](https://news.ycombinator.com/item?id=48045225))
- Maintainers absorbed the cross-client pain (3 comments): "The devs maintaining MJML deserve so much credit for dealing with Gmail/Outlook's monopoly bullshit and 2007 html." ([source](https://news.ycombinator.com/item?id=47506729)) "I think the people who built MJML absorbed an enormous amount of pain so the rest of us don't have to." ([source](https://news.ycombinator.com/item?id=48052951)) "the MJML team has laid so much groundwork and it frankly made this project possible" ([source](https://news.ycombinator.com/item?id=47507009))
- Default choice for email output (3 comments): "always coming back to mjml only" ([source](https://news.ycombinator.com/item?id=49522761)) "great choice going with MJML" ([source](https://news.ycombinator.com/item?id=48046597)) "So glad the output is MJML." ([source](https://news.ycombinator.com/item?id=48042902))
- Mature, battle-proven, well documented (2 comments): "MJML is the older, more reliable, better documented technology." ([source](https://news.ycombinator.com/item?id=47521525)) "rest with MJML is already battle-proven" ([source](https://news.ycombinator.com/item?id=48075729))

## Alternatives hackers recommend

- [Open-source email builder SDK](https://hackerapproved.com/p/open-source-email-builder.md): 14 recommend
- [Email.md](https://hackerapproved.com/p/email-md.md): 13 recommend
- [Unlayer](https://hackerapproved.com/p/unlayer.md): 6 recommend

## Cite as

Hacker Approved, "MJML", https://hackerapproved.com/p/mjml/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).