


The content of this article is about how to quickly and simply use Linux to build a mail server. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
The process of setting up a mail server is very simple and only requires a few steps.
Usually building a mail server on Linux requires the installation of a lot of software and configuration files, so we can use an open source mail server software to build it.
Prepare a server and system
Can be a cloud server or a local virtual server.
The server needs to be able to connect to the network.
Installing centos6/7 system requires a new and clean system environment.
Configuration system
检查swap是否已启动,如没启动需要配置启动swap。
Download EwoMail mail server
在git下载EwoMail开源版 git地址:https://gitee.com/laowu5/EwoMail EwoMail集成的软件: Postfix:邮件服务器 Dovecot:IMAP/POP3/邮件存储 Amavisd:反垃圾和反病毒 Fail2ban:监控策略 LNAMP:apache2.2,nginx1.8, mysql5.5,php5.4 EwoMail-Admin:WEB邮箱管理后台 Rainloop:webmail
Installation
将安装包重新命名ewomail.zip 解压安装
unzip -o ewomail.zipcd EwoMail/install#需要输入一个邮箱域名,不需要前缀,列如下面的xxx.comsh ./start.sh xxx.com
安装成功会出现“Complete installation” 剩下只需要配置域名DNS即可使用了
Configure domain name DNS
Please refer to the DNS configuration above
Change mail.ewomail.cn to the domain name of your installation, for example (domain name of mail. installation)
Please change the red part to your server IP
Management background
The management background is used to manage your email and domain names, and you can add unlimited domain names and email addresses.
Address: http://IP:8010 (IP is your server public network IP)
WebMail
WebMail is used to log in to the mailbox. Send and receive emails.
The above is the detailed content of How to quickly and easily build a mail server using Linux. For more information, please follow other related articles on the PHP Chinese website!

Maintenance mode plays a key role in Linux system management, helping to repair, upgrade and configuration changes. 1. Enter maintenance mode. You can select it through the GRUB menu or use the command "sudosystemctlisolaterscue.target". 2. In maintenance mode, you can perform file system repair and system update operations. 3. Advanced usage includes tasks such as resetting the root password. 4. Common errors such as not being able to enter maintenance mode or mount the file system, can be fixed by checking the GRUB configuration and using the fsck command.

The timing and reasons for using Linux maintenance mode: 1) When the system starts up, 2) When performing major system updates or upgrades, 3) When performing file system maintenance. Maintenance mode provides a safe and controlled environment, ensuring operational safety and efficiency, reducing impact on users, and enhancing system security.

Indispensable commands in Linux include: 1.ls: list directory contents; 2.cd: change working directory; 3.mkdir: create a new directory; 4.rm: delete file or directory; 5.cp: copy file or directory; 6.mv: move or rename file or directory. These commands help users manage files and systems efficiently by interacting with the kernel.

In Linux, file and directory management uses ls, cd, mkdir, rm, cp, mv commands, and permission management uses chmod, chown, and chgrp commands. 1. File and directory management commands such as ls-l list detailed information, mkdir-p recursively create directories. 2. Permission management commands such as chmod755file set file permissions, chownuserfile changes file owner, and chgrpgroupfile changes file group. These commands are based on file system structure and user and group systems, and operate and control through system calls and metadata.

MaintenanceModeinLinuxisaspecialbootenvironmentforcriticalsystemmaintenancetasks.Itallowsadministratorstoperformtaskslikeresettingpasswords,repairingfilesystems,andrecoveringfrombootfailuresinaminimalenvironment.ToenterMaintenanceMode,interrupttheboo

The core components of Linux include kernel, file system, shell, user and kernel space, device drivers, and performance optimization and best practices. 1) The kernel is the core of the system, managing hardware, memory and processes. 2) The file system organizes data and supports multiple types such as ext4, Btrfs and XFS. 3) Shell is the command center for users to interact with the system and supports scripting. 4) Separate user space from kernel space to ensure system stability. 5) The device driver connects the hardware to the operating system. 6) Performance optimization includes tuning system configuration and following best practices.

The five basic components of the Linux system are: 1. Kernel, 2. System library, 3. System utilities, 4. Graphical user interface, 5. Applications. The kernel manages hardware resources, the system library provides precompiled functions, system utilities are used for system management, the GUI provides visual interaction, and applications use these components to implement functions.

Linux maintenance mode can be entered through the GRUB menu. The specific steps are: 1) Select the kernel in the GRUB menu and press 'e' to edit, 2) Add 'single' or '1' at the end of the 'linux' line, 3) Press Ctrl X to start. Maintenance mode provides a secure environment for tasks such as system repair, password reset and system upgrade.


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