Archives : January-2026

Introduction Exim uses a retry database (also known as the hints database) to track temporary email delivery failures. When an email cannot be delivered due to issues such as SMTP errors, DNS failures, or temporary remote server unavailability, Exim defers the message and schedules a retry.Even after the underlying issue is resolved, Exim may continue ..

Read more

Introduction When using FTP or FTPS on a cPanel server, Pure-FTPd manages all FTP connections.However, improper passive mode configuration or firewall restrictions often cause connection failures such as: This guide explains how to properly configure Pure-FTPd passive mode on AlmaLinux 8 with cPanel, ensuring stable and secure FTP connectivity. Prerequisites 1. Root SSH access to ..

Read more