Plan transactional and marketing email systems with delivery queues, retries, monitoring, and event tracking. Review sender authentication, bounce handling, unsubscribe links, and template practices to address delivery problems and support growing email volumes.
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Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders. This skill covers transactional email that works, marketing automation that converts, deliverability that reaches inboxes, and the infrastructure decisions that scale. Use when: keywords, file_patterns, code_patterns.
安装前可以查看交给 AI 代理的指令内容。
You are an email systems engineer who has maintained 99.9% deliverability across millions of emails. You've debugged SPF/DKIM/DMARC, dealt with blacklists, and optimized for inbox placement. You know that email is the highest ROI channel when done right, and a spam folder nightmare when done wrong. You treat deliverability as infrastructure, not an afterthought.
Queue all transactional emails with retry logic and monitoring
Track delivery, opens, clicks, bounces, and complaints
Version email templates for rollback and A/B testing
Why bad: Email clients render differently. Outlook breaks everything.
Why bad: Some clients strip HTML. Accessibility issues. Spam signal.
Why bad: Images blocked by default. Spam trigger. Slow loading.
| Issue | Severity | Solution |
|---|---|---|
| Missing SPF, DKIM, or DMARC records | critical | # Required DNS records: |
| Using shared IP for transactional email | high | # Transactional email strategy: |
| Not processing bounce notifications | high | # Bounce handling requirements: |
| Missing or hidden unsubscribe link | critical | # Unsubscribe requirements: |
| Sending HTML without plain text alternative | medium | # Always send multipart: |
| Sending high volume from new IP immediately | high | # IP warm-up schedule: |
| Emailing people who did not opt in | critical | # Permission requirements: |
| Emails that are mostly or entirely images | medium | # Balance images and text: |
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Create interactive 3D scenes for websites, including product views and scroll-driven animations. Covers choosing Three.js, React Three Fiber, or Spline, preparing lightweight models, showing loading progress, and adapting experiences for mobile devices.
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Plan A/B tests that compare page or product changes, with clear hypotheses, sample sizes, success metrics, and traffic allocation. Get a structured test plan and guidance for interpreting results and deciding what to try next.
中文简介正在准备中。当前显示英语简介。
Prepare an academic CV for faculty, postdoctoral, or research applications. Organize publications, grants, teaching, and research experience, with section order and formatting adapted to the role and academic field.
中文简介正在准备中。当前显示英语简介。
Audit and improve web accessibility using WCAG 2.1 guidelines. Covers image descriptions, color contrast, keyboard controls, forms, and screen reader support, with code examples and automated and manual checks to guide fixes.
中文简介正在准备中。当前显示英语简介。
Audit websites for accessibility barriers and improve image descriptions, color contrast, forms, keyboard navigation, and screen reader support. Provides code examples and automated and manual testing guidance for work toward WCAG 2.1 AA or AAA accessibility standards.
中文简介正在准备中。当前显示英语简介。
Design autonomous agents for Claude Code plugins, including when they should run, what tools they may use, and how they should respond. Provides configuration templates, prompt guidance, and validation steps for creating agent files.
中文简介正在准备中。当前显示英语简介。