Gmail Sender Skill

Send emails via Gmail SMTP using Google App Password. Generic utility for alerts, notifications, and automated reports.

Overview

A simple CLI tool to send emails through Gmail SMTP. No external dependencies beyond Python standard library.

Requirements

• Python 3.6+
• Gmail account with App Password enabled

Setup

• Enable 2-Factor Authentication on your Google Account:
• Go to https://myaccount.google.com/security
• Generate an App Password:
• Go to https://myaccount.google.com/apppasswords
• Select "Mail" as the app
• Copy the 16-character password (no spaces)
• Set environment variables:

export GMAIL_USER="[email protected]"
export GMAIL_APP_PASSWORD="xxxxxxxxxxxxxxxx"

Installation

Clone or copy this skill to your OpenClaw skills directory:

cp -r gmail-sender ~/.openclaw/workspace/skills/

Or use the CLI:

clawhub install gmail-sender

Usage

# Make executable
chmod +x gmail-send

# Send email
./gmail-send "[email protected]" "Subject" "Body text"

Examples

# Simple notification
./gmail-send "[email protected]" "Server Alert" "CPU usage at 90%"

# Cron job integration
0 9 * * 1-5 ~/.openclaw/scripts/gmail-send "[email protected]" "Morning Report" "$(date)"

Python Module Usage

import subprocess

# Call from Python
subprocess.run([
    './gmail-send',
    '[email protected]',
    'Subject',
    'Body'
], env={'GMAIL_USER': '...', 'GMAIL_APP_PASSWORD': '...'})

Security Notes

• Never commit App Passwords to version control
• Use environment variables, never hardcode credentials
• App Passwords are 16 characters (format: xxxx xxxx xxxx xxxx)
• Revoke app passwords if compromised

Troubleshooting

"535 5.7.8 Username and Password not accepted"

• Verify App Password is correct (16 chars, no spaces)
• Make sure 2FA is enabled on your Google account

• Check firewall/network settings
• Gmail may block connections from unknown apps

License

MIT

Author

junkaixue