aiosmtplib

v5.1.1 suspicious
4.0
Medium Risk

asyncio SMTP client

🤖 AI Analysis

Final verdict: SUSPICIOUS

The package aiosmtplib v5.1.1 shows signs of potential issues, particularly concerning the metadata and obfuscation risks, although it does not exhibit high-risk behaviors such as shell execution or credential harvesting.

  • Maintainer's metadata is incomplete or suspicious.
  • Observed obfuscation techniques may warrant further investigation.
Per-check LLM notes
  • Network: No network calls detected, which is normal for a library focused on SMTP operations without additional networking features.
  • Shell: No shell execution patterns detected, aligning with expectations for a non-malicious SMTP library.
  • Obfuscation: The observed base64 decoding is likely for data integrity checks or to handle encoded data, not necessarily malicious obfuscation.
  • Credentials: No clear patterns of credential harvesting are present; the detected strings appear to be part of test or example code rather than actual credential handling.
  • Metadata: The maintainer has a new or inactive account and lacks a proper author name, which raises some suspicion but not enough to conclusively determine malice.

📦 Package Quality Overall: Medium (7.8/10)

✦ High Test Suite 9.0

Test suite present — 24 test file(s) found

  • Test runner config found: conftest.py
  • Test runner config found: pyproject.toml
  • 24 test file(s) detected (e.g. test_gmail_oauth.py)
✦ High Documentation 9.0

Well-documented package

  • Documentation URL: "Documentation" -> https://aiosmtplib.readthedocs.io/en/stable/
  • 1 documentation file(s) (e.g. conf.py)
  • Detailed PyPI description (2336 chars)
○ Low Contributing Guide 4.0

No contributing guide or governance files found

  • Development Status classifier >= Beta
◈ Medium Type Annotations 7.0

Partial type annotation coverage

  • Classifier: Typing :: Typed
  • 399 type-annotated function signatures detected in source
✦ High Multiple Contributors 10.0

Active multi-contributor project

  • 6 unique contributor(s) across 100 commits in cole/aiosmtplib
  • Active community — 5 or more distinct contributors

🔬 Heuristic Checks

✓ Outbound Network Calls

No suspicious network call patterns found

⚠ Code Obfuscation score 4.0

Found 2 obfuscation pattern(s)

  • word) decoded_challenge = base64.b64decode(challenge) md5_digest = hmac.new(password_bytes, msg=de
  • y the structure decoded = base64.b64decode(result) assert decoded == ( b"user=someuser@exam
✓ Shell / Subprocess Execution

No shell execution patterns detected

✓ Credential Harvesting

No credential harvesting patterns detected

✓ Typosquatting

No typosquatting candidates detected

✓ Registered Email Domain

Email domain looks legitimate: colemaclean.dev>

✓ Suspicious Page Links

All external links appear legitimate

✓ Git Repository History

Repository cole/aiosmtplib appears legitimate

⚠ Maintainer History score 4.0

2 maintainer concern(s) found

  • Author name is missing or very short
  • Author "" appears to have only 1 package on PyPI (new or inactive account)
✓ Known CVE Vulnerabilities

No known vulnerabilities found in OSV database.

💡 AI App Starter Prompt

Use this prompt to build a project with aiosmtplib 
Create a fully functional email notification system using the Python package 'aiosmtplib'. This mini-application should allow users to send emails asynchronously via SMTP, ensuring efficient handling of multiple email tasks without blocking the main thread. The application will serve as a versatile tool for sending automated notifications such as reminders, alerts, or updates.

### Core Functionality:
1. **User Input**: Users should be able to input recipient email addresses, subject lines, and message bodies through a simple command-line interface.
2. **SMTP Configuration**: The application must support configuration of SMTP settings (server, port, authentication details) either through environment variables or a configuration file for security purposes.
3. **Asynchronous Sending**: Utilize 'aiosmtplib' to handle email sending asynchronously, allowing the application to continue processing other tasks while emails are being sent.
4. **Error Handling**: Implement robust error handling to manage issues like connection failures, invalid credentials, or incorrect email formats.
5. **Logging**: Include logging functionality to track when emails are sent successfully or if there are any errors during the process.

### Suggested Features:
- **Bulk Email Support**: Allow users to send emails to multiple recipients at once.
- **Email Templates**: Provide predefined templates for common types of notifications (e.g., password reset, order confirmation).
- **Scheduling**: Integrate with a scheduling library (like 'APScheduler') to schedule emails to be sent at specific times.
- **Attachment Support**: Enable users to attach files to their emails.
- **Interactive Mode**: Offer an interactive mode where users can send emails one at a time or in bulk without needing to restart the application.

### How 'aiosmtplib' is Utilized:
- **Connection Management**: Use 'aiosmtplib.SMTP()' to establish a secure connection to the SMTP server.
- **Authentication**: Authenticate with the server using 'starttls()' or 'login()' methods based on the server requirements.
- **Sending Emails**: Send emails using the 'sendmail()' method, taking advantage of its asynchronous capabilities to improve performance.
- **Closing Connections**: Properly close the connection after all emails have been sent using the 'quit()' method to free up resources.

This project aims to demonstrate the power and flexibility of asynchronous programming in Python, specifically focusing on the practical application of email sending in a non-blocking manner.