Engaging HTML Email Template Creation

I need a professional HTML email template designed for a marketing campaign. This will be an introductory email aimed at promoting our product. The primary goal of the email is to encourage recipients to reach out for more information.

Ideal Skills:
- Proficient in HTML and CSS
- Experience in designing email templates
- Understanding of marketing principles
- Excellent design skills
- Knowledge of email client compatibility

Key Responsibilities:
- Create an engaging and visually appealing HTML email template
- Ensure the design is suitable for a product launch
- Optimize the template for various email clients
- Make the template easy to modify for future campaigns

Please include samples of your previous email templates in your bid.