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Install in OpenClaw
/install 163email-skill
Description
163email skill - Send emails via 163 SMTP service with custom recipient, subject, content. Support CLI and Python import
README (SKILL.md)
163email Skill - Email Sender
Send emails via 163 SMTP service. Support custom recipient, subject, content. Both CLI and Python module import calling methods are supported.
Features
- Send plain text emails via 163 SMTP
- One-click command line invocation
- Python module import support
- SSL encrypted transmission
- Multiple recipients support
Usage
Method 1: Command Line
python send_email.py "[email protected]" "Test Subject" "Email content here"
Method 2: Python Import
from src.send_email import send_mail
send_mail(
to="[email protected]",
subject="Test Email",
content="This is the email content"
)
Configuration
Set environment variables before use:
export CLAW_EMAIL="[email protected]"
export CLAW_EMAIL_AUTH="your_smtp_authorization_code"
export CLAW_SMTP_SERVER="smtp.163.com" # optional
export CLAW_SMTP_PORT="465" # optional
Or use in Python:
import os
os.environ["CLAW_EMAIL"] = "[email protected]"
os.environ["CLAW_EMAIL_AUTH"] = "your_auth_code"
Requirements
- Python 3.6+
- No third-party dependencies (uses smtplib, email standard library)
License
MIT
Usage Guidance
This skill is a small, self-contained SMTP email sender; the requested env vars (your 163 address and SMTP auth code) are appropriate for its function. Before installing: 1) Only use an account you trust the skill with (consider a dedicated throwaway/sender account), 2) Treat CLAW_EMAIL_AUTH as a secret and rotate it if exposed, 3) Review the code (it’s short) to confirm behaviour matches expectations, and 4) Note the package/source has no homepage and an unknown owner — while the code appears legitimate, prefer skills from known sources or run it in an environment with limited privileges. Minor issues: version fields differ slightly across files and SKILL.md references optional env vars not declared in the manifest; these are quality issues, not evidence of malicious behavior.
Capability Analysis
Type: OpenClaw Skill
Name: 163email-skill
Version: 1.2.1
The skill is a straightforward implementation for sending emails via the 163 SMTP service using Python's standard library. Analysis of 'src/send_email.py' and 'SKILL.md' shows the code correctly handles credentials via environment variables and performs its stated function without any signs of data exfiltration, malicious execution, or prompt injection.
Capability Assessment
Purpose & Capability
Name/description, required binary (python), and requested env vars (CLAW_EMAIL, CLAW_EMAIL_AUTH) match the declared purpose of sending mail via 163 SMTP. The code implements SMTP_SSL login and sendmail to smtp.163.com as expected. Minor metadata/version mismatch across files (registry 1.2.1 vs SKILL.md and skill.json 1.2.0) but this is a bookkeeping issue, not a security one.
Instruction Scope
SKILL.md only instructs setting the email credentials and running the Python module or CLI. The runtime code uses only standard-library smtplib/email and environment variables; it does not read unrelated files or exfiltrate data to unexpected endpoints. The README and examples suggest editing/setting env vars but do not request extra system access.
Install Mechanism
No install spec (instruction-only install), and included code is pure Python relying on the standard library. This is low-risk compared with remote downloads or package installs.
Credentials
The skill requires two environment variables (CLAW_EMAIL, CLAW_EMAIL_AUTH) which are appropriate for SMTP authentication. SKILL.md also documents optional CLAW_SMTP_SERVER and CLAW_SMTP_PORT (not listed in the manifest env array) — a minor inconsistency but not a security issue. Treat CLAW_EMAIL_AUTH as a secret (SMTP auth code) and provide least-privilege credentials.
Persistence & Privilege
Skill is not always-enabled and is user-invocable. It does not modify other skills or system-wide settings. Note: the platform default allows autonomous invocation, but this skill has no extra persistence or elevated privileges.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install 163email-skill - After installation, invoke the skill by name or use
/163email-skill - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.2.1
Update display name for better search visibility
v1.2.0
Fix: Use environment variables for credentials (CLAW_EMAIL, CLAW_EMAIL_AUTH)
v1.1.0
Rename to 163email-skill for better discoverability
Metadata
Frequently Asked Questions
What is 163 Email Skill - SMTP Sender?
163email skill - Send emails via 163 SMTP service with custom recipient, subject, content. Support CLI and Python import. It is an AI Agent Skill for Claude Code / OpenClaw, with 147 downloads so far.
How do I install 163 Email Skill - SMTP Sender?
Run "/install 163email-skill" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is 163 Email Skill - SMTP Sender free?
Yes, 163 Email Skill - SMTP Sender is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does 163 Email Skill - SMTP Sender support?
163 Email Skill - SMTP Sender is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created 163 Email Skill - SMTP Sender?
It is built and maintained by geekclaw (@liubindashen); the current version is v1.2.1.
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