Introduction Securing your website with SSL is a critical step in ensuring data integrity, user trust, and overall site security. On AlmaLinux, administrators can utilize Certbot to automate the issuance of a free SSL certificate via Let’s Encrypt. Certbot streamlines the entire process, from certificate generation to renewal, making it easier for both new and
Introduction Domain administrators can enhance email organization and security by configuring content filters in SmarterMail. One common requirement is to ensure that emails identified as SPAM are automatically redirected to the Junk Email folder. This prevents clutter in the primary inbox and reduces the risk of users interacting with potentially harmful messages. This article provides
Introduction Registering a custom DNS nameserver allows you to manage DNS records for domains hosted on your own server. This is commonly used by web hosting providers and server administrators to maintain control over domain resolution. This guide explains the steps to register and configure your own DNS nameserver on a DirectAdmin server. The process
Introduction IPv6 is enabled by default on most modern Linux distributions. However, certain network configurations, security policies, or compatibility issues may require disabling IPv6 on a server. This guide provides a step-by-step method to disable IPv6 by modifying the sysctl configuration. Prerequisites Root or sudo privileges to modify system files. A text editor installed
📝 Introduction By default, newly created OpenStack instances are not connected to each other on a private network. After setting up a private network in the OpenStack portal, an additional network interface must be configured manually on the instance to enable communication between instances using private IP addresses. ⚠️ Important Note: Windows instances do not
Introduction Email communication is a vital component of both personal and professional interactions. However, encountering issues such as undelivered messages, errors related to attachments, or difficulties in sending and receiving emails can significantly disrupt productivity. These challenges may stem from various sources, including user-specific settings, server configurations, network equipment, or broader systemic issues. This comprehensive
Introduction Website accessibility issues can be frustrating and may arise due to various factors, including network connectivity problems, domain resolution failures, or expired domain registrations. When a website fails to load, users may encounter errors such as “Page Not Found” or a blank screen. This guide provides a structured approach to diagnosing and resolving website
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,
Does Wildcard SSL Support Both IP Addresses and Domains? Wildcard SSL certificates are designed to secure multiple subdomains under a single domain. However, they do not support IP addresses. Wildcard SSL Coverage ✅ Supported: A wildcard SSL certificate can secure a primary domain and all its subdomains, such as: example.com *.example.com (e.g., mail.example.com, shop.example.com, blog.example.com)
LinkMail Email Sending Limits At IP ServerOne, we implement email sending limits for our LinkMail services to ensure optimal performance, prevent spam, and maintain server reliability. These limits help protect our email infrastructure and ensure fair usage for all users. General Email Sending Limits Hourly Limit: Each email account can send up to 500 emails