[FEATURE REQUEST] Email Validation in the footer to check for approved domains like .com, .in, etc

[Amruta7203]

Description

Is your feature request related to a problem? Please describe.
The current system accepts any email address during form submissions, potentially leading to invalid or irrelevant entries. This can create issues with data integrity and hinder communication efforts.

Describe the solution you'd like
Implement email validation with domain filtering to ensure submitted email addresses:

• Follow a valid format (username@domain.tld).

• Belong to pre-defined approved domains (e.g., .com, .in, etc.).

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional Information

Context
Provide any additional context or information that helps explain the feature request.

Potential Implementation (optional)
If you have any ideas or suggestions on how the feature could be implemented, please share them here.

Screenshots or Mockups (optional)
The below image shows that the email id with domain .xyz is a valid email which is not correct.

Priority (optional)
Please indicate the priority level of this feature request (e.g., High, Medium, Low).

Additional Notes (optional)
Add any other notes or comments about the feature request here.

[github-actions]

Congratulations, @Amruta7203! 🎉 Thank you for creating your issue for Moksh. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work! Should you have any queries or require guidance, do not hesitate to ask.