# 126 Email SMTP Server

> Use this tool when you need to send emails securely and reliably using the 126 email service with SMTP support. It solves problems of insecure email delivery and limited formatting options, allowing for plain text and HTML emails with CC and BCC options. It takes SMTP connection details as input and outputs sent emails, making it ideal for automating email tasks in various contexts, including git workflows.

Canonical page: https://skillsregistry.net/skills/tanwenxin-mail-126-mcp  
JSON: https://api.skillsregistry.net/v1/skills/tanwenxin-mail-126-mcp

## Description

Send emails securely using the 126 email service with SMTP support. Enable sending plain text and HTML emails with CC and BCC options. Verify SMTP connections easily to ensure reliable email delivery.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** communication
- **Updated:** 2026-05-14

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/tanwenxin/mail-126-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "tanwenxin-mail-126-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/tanwenxin-mail-126-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/tanwenxin-mail-126-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt