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A graphical and command line SMTP diagnostic tool

Project description

SMTP Tester

As a consultant at a managed services provider, I spent a long time searching for a tool that would help me troubleshoot SMTP problems quickly and easily without having to resort to telnet. Finally, I gave up and wrote my own.


  • Command-line and graphical user interfaces
  • Ability to override all DNS and SMTP settings
  • Support for SMTP authentication and TLS encryption


pip install smtptester

Running the Application


Use --help to see available options.


Getting Started

pip install pipenv
pipenv install [--dev]
pipenv shell

Running Tests



  1. Bump VERSION in smtptester/

  2. Update

  3. Run release script:

    release <version>

Project details

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Files for smtptester, version 1.0.1
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