Send email with Mail Master 万能邮箱助手

# Send email with Mail Master 万能邮箱助手

通过阿里云邮箱、QQ邮箱或163邮箱等发送和接收邮件。支持发送普通邮件、带附件邮件、接收邮件、检查新邮件。当用户要求发送邮件、查看邮件、检查新邮件时使用。

## Discovery Metadata
- Category: `communication`
- Framework: `ClawHub`
- Tags: `163`, `send`, `email`, `mail`, `master`

## Agent Execution Policy

This listing is **discovery metadata only**. Canonical instructions are maintained by ClawHub.

### Before Executing Actions

1. **Fetch canonical instructions** from: https://clawhub.ai/skill/email-mail-master
2. **Parse the skill page** for setup, usage, and input/output requirements.
3. **Only proceed** after successfully loading and understanding the full instructions.

### If Fetch Fails

- Return `instruction_unavailable` with reason.
- Do **not** attempt to infer or improvise execution steps from this metadata alone.

## Source

- ClawHub listing: https://clawhub.ai/skill/email-mail-master