smtp-send

14
3
Source

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.zip

Installs 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 [email protected] \
  --subject "Meeting Tomorrow" \
  --body "Hi, let's meet at 2pm tomorrow."

# 发送 HTML 邮件
python3 scripts/send_email.py \
  --to [email protected] \
  --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 [email protected] \
  --subject "Documents" \
  --body "Please find the attached files." \
  --attachments report.pdf,data.csv

# 指定使用 Resend
python3 scripts/send_email.py \
  --to [email protected] \
  --subject "Test" \
  --body "Hello" \
  --provider resend

⚙️ 配置

~/.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": "[email protected]"
}

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": "[email protected]",
    "password": "your-auth-code",
    "from": "[email protected]",
    "use_ssl": true
}

两个都配(自动 fallback)

{
    "resend_api_key": "re_xxxxx",
    "resend_from": "[email protected]",
    "host": "smtp.163.com",
    "port": 465,
    "user": "[email protected]",
    "password": "your-auth-code",
    "from": "[email protected]",
    "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
--providerauto/smtp/resend(默认 auto)

🔄 Provider 选择逻辑

  • auto(默认):优先 Resend,失败则 fallback 到 SMTP
  • smtp:强制使用 SMTP
  • resend:强制使用 Resend API

📧 常见 SMTP 配置

邮箱HostPortSSL
163smtp.163.com465true
QQsmtp.qq.com465true
Gmailsmtp.gmail.com587false
Outlooksmtp.office365.com587false

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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