---
title: "Linux Email Administration"
source: "https://docs.nexcess.com/hosting/server-administration/linux/linux-email-administration/"
description: "Your complete guide to Linux server administration. Learn essential commands, user management, security best practices, and performance monitoring."
vertical: "Hosting"
date: "2026-02-25"
last_modified: "2026-07-27"
---

# Linux Email Administration

Managing a mail server on a Linux machine requires a solid understanding of Mail Transfer Agents (MTAs) and command-line troubleshooting tools. Whether you are clearing out a backed-up mail queue, investigating spam issues, or diagnosing complex SMTP delivery failures, having the right utilities at your fingertips is essential for maintaining a healthy server reputation.

This section provides advanced resources and command references for Linux email administration. Explore the guides below to learn how to effectively search your Exim mail queues, test SMTP transactions, and keep your server’s email services running smoothly.

---

Linux Email Administration Articles

2 results

This section provides articles and resources for Linux email administration.

- ## [Filter Exim Queue Messages with Exigrep](https://docs.nexcess.com/hosting/server-administration/linux/linux-email-administration/filter-exim-queue-messages-with-exiqgrep/)
    
    Filter Exim queue msgs with exiqgrep. Options: -b (sender), -r (rcpt), -f (full), -i (ID). Examples & troubleshooting included.
    
    
    
    [Read more: Filter Exim Queue Messages with Exigrep](https://docs.nexcess.com/hosting/server-administration/linux/linux-email-administration/filter-exim-queue-messages-with-exiqgrep/)
- ## [Troubleshoot Email Issues with Swaks](https://docs.nexcess.com/hosting/server-administration/linux/linux-email-administration/troubleshoot-email-issues-with-swaks/)
    
    Use Swaks to test SMTP, auth, and email delivery issues from your server with detailed output for fast email troubleshooting.
    
    
    
    [Read more: Troubleshoot Email Issues with Swaks](https://docs.nexcess.com/hosting/server-administration/linux/linux-email-administration/troubleshoot-email-issues-with-swaks/)