Configuring A Mail Server

I. Mail is the primary breakthrough in cyber attacks E-mail security protection experience summary. As the main communication tool of the enterprise (especially the traditional and large enterprises), the mail is increasingly critical. At the same time, security issues are increasingly prominent. Due to the lack of authentication and security authentication mechanisms, e-mail protocols are inherently anti-tracing and cost-effective. Mail has become the main approach to telecom fraud and ransomware attacks. At present, the public generally believes that email security is phishing. In fact, the field of email security is very wide. This article is based on the knowledge of work and shares with you in many dimensions. ...

& 1.1 Introduction Mail Service is the most important network service that users need. Web traffic is large, but messages are primarily used for communication between individuals, and human-human communication is the basis of business. A network without http://www.aliyun.com/zixun/aggregation/12489.html "> mail services is an incomplete network. In other words, if the user is not provided with full TCP/IP mail support, such a network operating system is not trustworthy. To match with ...

By completing this chapter, you will be able to do the following: Understand the commonly used arpa-http://www.aliyun.com/zixun/aggregation/33795.html ">berkeley services." Understanding the Super Daemon: the inetd feature. Learn about the process of starting the Ftp/telnet service in inetd. Learn about inetd configuration files. Start or stop the Network service at the command line. To start or disable a ... by configuring the inetd.conf file.

For small and medium-sized enterprises or the company's internal network as well as the Internet, through the Wingate agent to achieve access to the Internet, is an economic and practical program. Wingate's current popular version is WinGate5.0.1, which is divided into simple and professional editions (its free trial version can be downloaded from Internet sites: http://www.wingate.com.cn, etc.). This article will use the most extensive WinGate5.0.1 Professional edition, talk about its configuration and the use of some of the skills in the process. WinGate ...

Nowadays, the trend of mobile office is overwhelming, most of the workers need to handle many mails on the mobile side every day, have a good mailbox app, become the essential choice of the high efficiency person. The small series from domestic and foreign 20 mailbox app in the selection of several classic good app--mailbox, mailbox master, Zoho mail, etc., conducted a comparative evaluation. Overall, mailbox score higher, classified management mail is very convenient, but with Chinese users have some use of the habit of small estrangement, Zoho Mail is not free to use Z ...

"Mission Analysis and requirements"  companies need http://www.aliyun.com/zixun/aggregation/12489.html "> mail server, create a mailbox account for each user, users use mail client software to send and receive mail  Mail Exchange Server IP address is 192.168.1.196/28, domain name is test.com, mail server host domain name is mail.test.com only allow local domain name users to send and receive mail  Mail ...

A typical application requirement for a small Enterprise server system at present, a large number of network applications have gradually infiltrated into every aspect of the daily work of small and medium-sized enterprises. For a PC-side in 80 small and medium-sized enterprises, its IT applications are generally concentrated in the following parts: Web services, Internet sharing access, file sharing/print sharing, mail server, financial management, advanced Office automation services, invoicing management/ERP/CRM/SCM, domain user management, database 　　, anti-virus system and so on. In the above medium and small-sized Enterprises application, the general load pressure is not like the large-scale enterprise ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Internet is becoming more and more popular today, PC security not only requires the prevention of computer viruses, but also to improve the system to resist the hacker's ability to attack the illegal intrusion, and to improve the confidentiality of remote data transmission, to avoid illegal theft in transit.  In this paper, we simply analyze some situations that may occur when constructing Web server, hoping to arouse attention. &nb ...

There's a lot of security on the Windows Server http://www.aliyun.com/zixun/aggregation/19058.html ">2003" system, but a lot of it is not fully analyzed. And a lot of still configuration is not reasonable enough, and there are a lot of security risks, today I decided to carefully do the extreme BT 2003 server Security configuration, so that more network management friends peace of mind. The servers we configure need to provide support for components such as ...

The author describes the process of deploying an application using the workload deployer Version 3.1 user interface setup and configuration cloud. The example uses the VMware ESX 4.1 or PowerVM Virtual machine management program. Ibm®workload Deployer is a http://www.aliyun.com/zixun/aggregation/11585.html "> Hardware device that offers ...