Fix iPhone Email Issue

I'm having trouble with my iPhone not receiving emails from my Airmail.net account. I've already tried checking my internet connection, restarting my iPhone, and re-entering my email account details, but nothing has worked.

I'm looking for an expert to help resolve this issue. Ideal skills and experience include:

- Proficiency in troubleshooting iPhone email issues
- Experience with Airmail.net email setup and configuration
- Knowledge of iPhone settings and network preferences

Please provide a step-by-step solution or remote assistance to fix this problem.