Python Email Redirector Application

I'm in need of a Python application that can redirect ongoing emails from specific senders to another email account in real-time.

Requirements:
- The application should allow me to manually input the domains of the senders whose emails need to be redirected.
- The application should operate in real-time, checking for incoming emails and redirecting them immediately.

Ideal Skills:
- Proficient in Python programming.
- Previous experience developing email applications.
- Knowledge of email protocols and real-time processing.