smtp-send
Send emails via SMTP with support for plain text, HTML, and attachments. Use when the user asks to send an email, email someone, or compose and send a message. Supports single recipients and can include file attachments. Works with Gmail, Outlook, Yahoo, QQ Mail, 163 Mail, and any SMTP server.
Install
mkdir -p .claude/skills/smtp-send && curl -L -o skill.zip "https://mcp.directory/api/skills/download/2864" && unzip -o skill.zip -d .claude/skills/smtp-send && rm skill.zipInstalls to .claude/skills/smtp-send
About this skill
Email Send
发送邮件,支持 SMTP 和 Resend API 两种方式。
🚀 快速使用
# 发送简单邮件
python3 scripts/send_email.py \
--to recipient@example.com \
--subject "Meeting Tomorrow" \
--body "Hi, let's meet at 2pm tomorrow."
# 发送 HTML 邮件
python3 scripts/send_email.py \
--to recipient@example.com \
--subject "Weekly Report" \
--body "<h1>Report</h1><p>Here are the updates...</p>" \
--html
# 发送带附件的邮件
python3 scripts/send_email.py \
--to recipient@example.com \
--subject "Documents" \
--body "Please find the attached files." \
--attachments report.pdf,data.csv
# 指定使用 Resend
python3 scripts/send_email.py \
--to recipient@example.com \
--subject "Test" \
--body "Hello" \
--provider resend
⚙️ 配置
在 ~/.smtp_config 中配置(二选一或两个都配):
方式 1: Resend API(推荐,更简单)
{
"resend_api_key": "re_xxxxx",
"resend_from": "you@your-domain.com"
}
获取 API key: https://resend.com
注意:免费账户只能发给注册邮箱,要发给其他人需要验证域名。
方式 2: SMTP(163/QQ/Gmail 等)
{
"host": "smtp.163.com",
"port": 465,
"user": "your-email@163.com",
"password": "your-auth-code",
"from": "your-email@163.com",
"use_ssl": true
}
两个都配(自动 fallback)
{
"resend_api_key": "re_xxxxx",
"resend_from": "you@your-domain.com",
"host": "smtp.163.com",
"port": 465,
"user": "your-email@163.com",
"password": "your-auth-code",
"from": "your-email@163.com",
"use_ssl": true
}
配置完后设置权限:
chmod 600 ~/.smtp_config
📋 参数
| 参数 | 必填 | 说明 |
|---|---|---|
--to | ✅ | 收件人邮箱 |
--subject | ✅ | 邮件标题 |
--body | ✅ | 邮件内容 |
--html | ❌ | 以 HTML 格式发送 |
--attachments | ❌ | 附件路径,多个用逗号分隔 |
--provider | ❌ | auto/smtp/resend(默认 auto) |
🔄 Provider 选择逻辑
auto(默认):优先 Resend,失败则 fallback 到 SMTPsmtp:强制使用 SMTPresend:强制使用 Resend API
📧 常见 SMTP 配置
| 邮箱 | Host | Port | SSL |
|---|---|---|---|
| 163 | smtp.163.com | 465 | true |
| smtp.qq.com | 465 | true | |
| Gmail | smtp.gmail.com | 587 | false |
| Outlook | smtp.office365.com | 587 | false |
注意:163/QQ/Gmail 都需要使用授权码而非登录密码。
🔐 安全
- 凭据存储在
~/.smtp_config,权限应设为 600 - API key 和密码不会出现在命令行参数中
- 配置文件不应提交到版本控制
🐛 常见问题
认证失败:检查授权码是否正确,是否开启了 SMTP 服务
Resend 403:免费账户只能发给注册邮箱,需要验证域名才能发给其他人
连接超时:检查网络,或者端口是否被防火墙拦截
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