WHM/cPanel - One user - Maximum hourly emails notification limit reach

Job ID: 33170667

Budget: $10 – $15 USD

We have one client on our VPS server (WHM/cPanel). They need to use a larger amount of emails. We set it to 2000 per hour.
We changed the tweak settings and as well in the profile. Nothing changed.
We changed the package to 2000 per hour. Nothing changed
We changed the account to 2000 per hour. Nothing changed.
The user still has a limit of 500 per hour.
We need someone who can asap resolve this issue. They got mail delivery after they send 500 emails.
Related categories: System Admin Linux Web Hosting cPanel