The SMTP protocol requires that the MTA that receives the mail be responsible for sending the mail to the final destination, which may be the mailbox of the local system or other hosts on the same network, this process is called delivery ).
This
Learn linux with me 15-Linux Enterprise Application-Linux server application information. The following is a detailed description. We will continue to learn the content of Lesson 14.
Sorry, it's really slow to update things recently, but I won't be
Introduction: This document describes in detail how to create a mail server system based on QMail, Vpopmail, Courier-imap, MySQL, and Horde ' imp.
1. Preamble
Whether you are for the system daemon, a single server or domain name address, or for
Nginx's users have recently become more and more, and many large Web sites have migrated from Apache or other platforms to Nginx. But there is one problem that I have not solved in the process of using nginx is how to restrict the directory
Most hosts attacked on the network are targeted by hackers who use scanning tools for a wide range of scans. Therefore, in order to avoid being scanned, all ports, such as Web, FTP, and SSH, should be disabled. It is worth mentioning that I strongly
Introduction to Basic concepts of e-maile-mail is used for online confidence delivery and communication, and it is one of the most important Internet services. According to statistics, 30% of the business of the Internet is email related. At the
Windows Server 2003 System configuration Scenario
Network security refers to the network system hardware, software and its system data is protected from accidental or malicious reasons to be destroyed, changed, leaked, the system continuously
Dialog unix: Using Internet "Super Waiter", inetd and xinetd January 06, 2010 16:00 Source: Chinaunix Document Channel Author: send_linux Edit: Zhou Rongmao Level: Intermediate
Martin Streicher, software developer, Pixel, Byte, and Comma
January 07,
There are a number of factors to consider when sending mail, including sending mail clients (generic encoding implementations), sending and receiving mail server settings, and so on. If you use a third-party mail server as the sending server, you
To establish a secure Linux server, you first need to understand the meaning of the configuration files that are related to the network service and how to configure them securely in the Linux environment. In a Linux system, TCP/IP networks are
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