SMIMEA Tools

A collection of Python tools for generating and querying SMIMEA DNS records for S/MIME certificates.

🚀 Features

• smimea_generate_record.py: Generates a BIND9-compatible SMIMEA DNS record from an email and its corresponding certificate.
• smimea_lookup.py: Queries and extracts an SMIMEA record from DNS, retrieves the certificate, and verifies it using OpenSSL.

🛠️ Installation

Prerequisites

• Python 3.x
• openssl command-line tool
• dnspython package (for smimea_lookup.py)

To install dnspython, run:

pip install dnspython

📌 Usage

Generating an SMIMEA Record

python smimea_generate_record.py <email> <certificate.pem>

Example:

python smimea_generate_record.py user@example.com user_cert.pem

Querying an SMIMEA Record

python smimea_lookup.py <email>

Example:

python smimea_lookup.py user@example.com

📜 License

This project is licensed under the MIT License. See the LICENSE file for details.

✨ Author

Developed by Sebastian van de Meer.