[Feat]: Newsletter subscribe mail working

[mukilan2815]

Is your feature request related to a problem? Please describe.

Making this subscribe to work using node mailer.

Describe the solution you'd like.

No response

Describe alternatives you've considered.

No response

Additional context.

No response

Show us the magic with screenshots

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I want to work on this issue. (optional)

[github-actions]

Hi there! Thanks for opening this issue. We appreciate your contribution to this open-source project. We aim to respond or assign your issue as soon as possible.