# email-check-cli 

> Checks if an email is valid & real by contacting the associated remote mail server  :email:

<img src="screenshot.gif" width="257">

*See [email-chk](https://github.com/brandon93s/email-chk) for the programmatic module.*

## Install

```
$ npm install --global email-chk-cli
```


## Usage

```
$ email-chk --help

  Usage
      $ email-chk <email>

  Options
      -t, --timeout   Timeout in ms
      -h, --host      Domain of originating smtp server
      -f, --from      Email originating the request 
```


## Related

- [email-chk](https://github.com/brandon93s/email-chk) - API for this module


## License

MIT © [Brandon Smith](https://github.com/brandon93s)


Checks if an email is valid & real by contacting the associated remote mail server. 

Supply Chain Attack on Axios Pulls Malicious Dependency from npm

email-chk-cli

Checks if an email is valid & real by contacting the associated remote mail server

brandon93s

An ambiguous license classifier was found.

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Ambiguous License Classifier

Source files are encoded using a non-standard text encoding.

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Bad text encoding

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Bad semver

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Bad dependency semver

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Bidirectional unicode control characters

This package has multiple bin scripts with the same name. This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack.

What is bin script confusion?

Bin script confusion

This Chrome extension includes content scripts that execute JavaScript on specified websites.

What are Chrome extension content scripts?

Chrome: Content Script

This Chrome extension requests host permissions to access specific websites or domains.

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Chrome: Host Permission

This Chrome extension requests permissions to access browser APIs, user data, or system features.

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Chrome: Permission

This Chrome extension requests wildcard host permissions that grant broad access to websites.

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Chrome: Wildcard Host Permission

Semantic versions published out of chronological order.

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Chronological version anomaly

Project maintainer's SSH key has been compromised.

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Compromised SSH key

What do I need to know about license files?

Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

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Title

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

The maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.

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Deprecated

Contains a known deprecated SPDX license exception.

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Deprecated SPDX exception

License is deprecated which may have legal implications regarding the package's use.

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Deprecated license

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Possible typosquat attack

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Dynamic require

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Empty package

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File dependency

Accesses the file system, and could potentially read sensitive data.

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Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

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Wildcard dependency

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An input argument to this GitHub Action flows into a dangerous sink (such as shell command execution). This could allow a malicious user to inject commands or exploit the action.

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A GitHub context variable (such as issue title, PR description, or comment body) is being exported as an environment variable. These context values are user-controlled and could be exploited by subsequent workflow steps.

GitHub Actions: GitHub context variable exported as environment variable

A GitHub context variable (such as issue title, PR description, or comment body) is being passed back as an output. These context values are user-controlled and could be exploited by consuming workflows.

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A GitHub context variable (such as issue title, PR description, or comment body) flows into a dangerous sink (such as shell command execution). This is a critical security issue that could allow command injection or code execution attacks.

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GitHub Actions: Environment variable flows to dangerous sink

Contains a dependency which resolves to a remote git URL. Dependencies fetched from git URLs are not immutable and can be used to inject untrusted code or reduce the likelihood of a reproducible install.

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Git dependency

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GitHub dependency

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AI-detected potential code anomaly

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AI-detected possible typosquat

AI has identified this package as malware. This is a strong signal that the package may be malicious.

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AI-detected potential malware

AI has determined that this package may contain potential security issues or vulnerabilities.

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AI-detected potential security risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

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Native code

Contains high entropy strings. This could be a sign of encrypted data, leaked secrets or obfuscated code.

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High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

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Unicode homoglyphs

Contains a dependency which resolves to a remote HTTP URL which could be used to inject untrusted code and reduce overall package reliability.

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HTTP dependency

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Install scripts

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Invalid manifest file

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Invisible chars

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Major refactor

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Missing dependency

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Missing license

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Missing package tarball

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Modified license exception

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Modified license

What is network access?

Network access

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

email-chk-cli

email-check-cli

Install

Usage

License

Keywords

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email-check-cli

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Usage

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