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A graphical and command line SMTP diagnostic tool

Project description

SMTP Tester

Continuous Integration

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

With GUI

smtptester-gui [options]

CLI Only

smtptester <options>


Getting Started

poetry install
poetry shell

Running Tests



  1. Bump version in pyproject.toml
  2. Update
  3. Run make release

Project details

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Source Distribution

smtptester-1.1.2.tar.gz (56.1 kB view hashes)

Uploaded Source

Built Distribution

smtptester-1.1.2-py3-none-any.whl (55.1 kB view hashes)

Uploaded Python 3

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