Individual skill

email-campaign

An HTML email that survives real inboxes — Gmail, Outlook desktop and web, Apple Mail, phones: table layout, inline-ready styles, a bulletproof button, dark-mode aware, one clear call to action.

packages/content/assets/open-design/skills/email-campaign/SKILL.md

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Last checked: Nov 4, 2026

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Repository stars (not skill ratings): 1,040
Repository last updated: Nov 7, 2026
License: MIT

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# Email Campaign

**Intent.** One email with one job, built so it looks the same in Gmail, Outlook (desktop and web), Apple Mail and on phones. Email clients are not browsers: no flexbox or grid, no positioning, no transforms, no SVG, no external CSS, no scripts. The export inlines your styles; your job is to only use what survives.

## Content first

- **Subject line and preheader:** write both. The preheader is the first sentence of the email (35–90 characters) and must add to the subject, not repeat it. Put it in a hidden `<div data-od-preheader>` as the first thing inside the column, or make it the first paragraph.
- **One message, one call to action.** Headline (≤ 8 words), 1–3 short paragraphs or 2–4 benefit rows, one primary button. A secondary text link at most.
- Real content from the brief. No lorem ipsum, no "Click here".

## Structure (required)

```html
<body style="margin:0;padding:0;background-color:#f4f2ee">