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How to Check If Users Are Logging in via POP3 or IMAP

Introduction Checking whether an email account is using POP3 or IMAP can be essential for troubleshooting email access issues, verifying login activity, or ensuring the correct configuration of email clients.   Understanding POP3 and IMAP What is POP3? Post Office Protocol version 3 (POP3) is a standard email protocol used to retrieve emails from a

How to change Email Quota in Direct Admin (Enhanced Skin)

Introduction This Knowledge Base article provides a detailed guide for adjusting email quotas within the DirectAdmin control panel using the Evolution Skin interface. Email quotas define the amount of storage allocated to individual email accounts on a server, allowing administrators to control and balance storage usage across multiple accounts. By setting appropriate quotas, administrators can

How to change Email Quota in Direct Admin (Evolution Skin)

Introduction This Knowledge Base article provides a detailed guide for adjusting email quotas within the DirectAdmin control panel using the Evolution Skin interface. Email quotas define the amount of storage allocated to individual email accounts on a server, allowing administrators to control and balance storage usage across multiple accounts. By setting appropriate quotas, administrators can

How to monitor Server Performance with htop and top

Introduction Monitoring server performance is crucial for maintaining system stability, optimizing resource usage, and quickly identifying potential issues. Two of the most widely used tools for this purpose are htop and top, both of which provide real-time, command-line-based monitoring of system processes and resource utilization. These tools help administrators gain valuable insights into CPU usage,

How to schedule backups using DirectAdmin

Introduction This guide explains how to schedule backups for user accounts in DirectAdmin using the Admin Backup/Transfer feature. It is intended for server administrators who need to regularly back up all or specific user accounts. The guide demonstrates the steps to configure a daily backup, either locally or remotely, ensuring the security and availability of

Error: “Server Error” While Uploading an Attachment in Roundcube Webmail

Introduction When uploading attachments in Roundcube Webmail, you might encounter a “Server Error.” This issue often arises from file size limits, server security rules (such as ModSecurity settings), or network interruptions. ModSecurity is a web application firewall designed to protect servers by monitoring and blocking potentially harmful requests. However, its strict security rules can sometimes

Managing an existing website in IIS

Introduction Internet Information Services (IIS) is a flexible and powerful web server for hosting and managing websites on Windows Server. Once a website is set up in IIS, ongoing management tasks are essential for maintaining security, performance, and availability. This guide covers key aspects of website management in IIS, including starting/stopping sites, modifying configurations, handling

How to manage cron jobs through cPanel

Introduction Cron jobs are scheduled tasks that run automatically at specified intervals on a server. They are commonly used for repetitive tasks such as running scripts, sending automated emails, or performing system maintenance. In a cPanel environment, cron jobs can be easily managed through a user-friendly interface without needing to access the command line. This