mailtrap-testing-with-sandbox
Capture outbound email in Mailtrap Email Sandbox for development, staging, CI, HTML inspection, spam checks, and fake inbox tests.
Profile →npx skills add sickn33/agentic-awesome-skills --skill mailtrap-testing-with-sandbox --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Testing with Mailtrap Email Sandbox ## Overview **Email Sandbox** captures mail in **sandboxes (test inboxes)**—a test environment where messages are **not** delivered to real recipients. You can send to sandboxes using our **SDKs**, **HTTP API**, or **SMTP**, depending on your needs. **Before generating SDK code:** read the README of the relevant SDK repository (see `mailtrap-sending-emails`) for current sandbox mode options, **inbox id**, and constructor flags. Do not rely on memory. **Related skills:** `mailtrap-sending-emails` (live sending hosts and streams). ## When to use - You want **no real delivery**: dev, staging, CI, or demos where mail must stay in a **test inbox**. - You need to **inspect** what was sent: bodies, headers, attachments, or basic checks (e.g. spam report) via **Sandbox / Testing API** or the **UI**. - You are **automating** tests against captured mail. - You will **only change SMTP settings** so an existing app sends into a sandbox—no need for a framework-by-framework tutorial from this skill. ## When not to use - **Live** sends to real recipients (`mailtrap-sending-emails`). - For full framework setup guides or detailed API references, link users to M
- Overview
- When to use
- When not to use
- Quick reference
- API base
- Tokens and accountid
- When to use API vs SMTP
- SMTP settings (sandbox)
- Key parameters
- Typical use cases
- Example API paths
- SDKs
- Common mistakes
- Sandbox email address
What does the mailtrap-testing-with-sandbox skill do?
Capture outbound email in Mailtrap Email Sandbox for development, staging, CI, HTML inspection, spam checks, and fake inbox tests.
How do I install it?
Run `npx skills add sickn33/agentic-awesome-skills --skill mailtrap-testing-with-sandbox --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From sickn33/agentic-awesome-skills, a repository with 44,414 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.