Plesk: "The specified limit is invalid" when trying to change mailbox quota

Sep 22, 2022

Plesk web interface is poorly designed and lets you do operations which will break core functionality - for example, you may end up being unable to change mailbox quota.

However, it is still possible to manipulate mailbox quota via MySQL - below, we will change the quota from 100 to 200 MB:

Short Tips and Fixes

Plesk: "The specified limit is invalid" when trying to change mailbox quota

Fix Maven Import Issues: Step-By-Step Guide to Troubleshoot Unable to Import Maven Project – See Logs for Details Error

Troubleshooting Guide: Fixing the I/O Operation Aborted due to Thread Exit or Application Request Error

Resolving the 'Undefined Operator *' Error for Function_Handle Input Arguments: A Comprehensive Guide

Solving the Command 'bin sh' Failed with Exit Code 1 Issue: Comprehensive Guide

Troubleshooting Guide: Fixing the 'Current Working Directory is Not a Cordova-Based Project' Error

Solving 'Symbol(s) Not Found for Architecture x86_64' Error

Solving Resource Interpreted as Stylesheet but Transferred with MIME Type Text/Plain

Solving 'Failed to Push Some Refs to Heroku' Error

Solving 'Container Name Already in Use' Error: A Comprehensive Guide to Solving Docker Container Conflicts

Solving the Issue of Unexpected $gopath/go.mod File Existence