Mass-Mail-Dispatcher

1. Purpose: The web page serves as a tool to facilitate the sending of mass emails to a large number of recipients.

2. Components: a) File Upload: Users can upload a CSV file containing a list of email addresses. b) Invalid Email List: The page displays a list of email addresses from the CSV file that are detected as invalid. c) Valid Email List: It also shows a list of email addresses from the CSV file that are valid and can be used for sending emails.

3. Functionality: a) File Upload: Users can select a CSV file from their device. b) Email Validation: The application should perform email validation, separating valid and invalid emails. c) Display: Invalid and valid emails are displayed in separate lists. d) User Interaction: The page includes a simple form with a submit button to trigger the email processing (note: the actual email sending functionality is not implemented in this code).

4. Styling: The page is styled using CSS to provide a basic and visually appealing layout.

5. Script: JavaScript is used to handle user interactions, specifically the form submission and displaying email lists based on the uploaded CSV file.