secure server email settings

I. PrefaceIi. Basic Knowledge1. What is an IP address?2. What is a fixed IP address?3. What is a dynamic IP address?4. What is a domain name? What makes a domain name?5. What are subdomain names and second-level domain names?6. What is DNS?7. What

In daily operations, the security setting for a hardened server is an important environment for the machine. The recommended practice is to:1) strictly restrict SSH login (refer to: SSH usage under Linux system (based on personal experience)):Modify

Set up a secure wu-ftpd server-Linux Enterprise Application-Linux server application information. The following is a detailed description. In Linux, we can use ftp service programs such as wu-FTP, tftp-server, proftpd, and vsftp to build an FTP

According to statistics from the international Internet Information Center, the current email information traffic accounts for 1/3 of all data traffic, that is, basically every web contact has one or several email addresses. While enjoying the

Qmail is the sendmail server software installed in the world, which is second only to Linux/Unix by default. Qmail configuration is simpler than Sendmail, and the speed is faster. Therefore, during the setup of this mail system, I chose Qmail as the

How to Use the Gmail SMTP server to send email notifications on Linux Suppose you want to configure a Linux application to send mail information from your server or Desktop client. Email information may be a briefing, status update (such as Cachet),

This article introduces the basic configuration process of the email server on Ubuntu. It is applicable to personal and junior enterprise applications and ensures information security, but does not involve the prevention of spam and viruses. The

Security Policy: Open Administrative ToolsLocate local security settings. Local policy. Security options1. Interactive Landing. Do not need to press Ctrl+alt+del to enable [according to individual needs, enable relatively good, but I personally do

Foxmail server (hereinafter referred to as the "MS") can be used to build a powerful email server. This article takes the Microsoft Windows 2.0 as an example to briefly introduce the usage and precautions of the software from the aspects of its

Downloading files from an FTP site is currently one of the most common file transfer methods. Especially for enterprise users, the company has established a dedicated FTP server for employees, it is the most convenient way for them to share