Issue 100MB mail Limit when creating hosting account via API

[jakubeq420]

Server operating system version

Ubuntu 22.04.5 LTS

Plesk version and microupdate number

Obsidian 18.0.71

Hello,
When i create hosting via API (FOSSBilling and my custom WP plugin) - there is one problem. The limit on the mail accounts is only 100MB per account. I was searching the option to incerase this, but i cant find any setting. How can i change this?

Plesk Web pro edition

Thank you for all help,

Jakub