how to transfer email accounts from one host to another

Linux accounts and groupsAn important part of the administrator's job is "Manage accounts"! Because the whole system is your management, and all the general user's account application, must be through your assistance! So you have to understand how

I. Overview of the Intranet/Internet platform , The dotted line below is the Internet, which provides Web Services, DB services, DNS services, exchange services, and so on; The above is the Intranet, which provides services similar to the

I. Principles of mail service The mail service is one of the most commonly used services in our daily life. In the old release version, the default mail service is sendmail, and the default sending service is postfix in versions later than centos6.

If you encounter this problem, write it out and share it with you. This program does not use the javamail API, but directly processes the sent mail according to the requirements of the SMTP protocol. Although it is troublesome, it is helpful to

tcp/ip, Http, sockets, Xmpp-from Getting started to in-depthUltimate iOS Program ape 2016-12-29 18:27 In order to facilitate people's understanding and memory, We first introduce these concepts, and then analyze their differences, and then carry out

I. Preface hotspot Networks In the ever-changing world of networks, security vulnerabilities in networks are everywhere. Even if the old security vulnerabilities are replaced, new security vulnerabilities will emerge. Network Attacks use these

VSFTPD as a flagship secure FTP server, there are a number of options set. The configuration file list for vsftpd is described below, and all configurations are based on the vsftpd.conf configuration file. This article will provide a complete

First, Exportfs commandNFS Services on NFS server can not be restarted at will, if you need to restart the service side of the NFS service, you need to mount the server-side shared directory of all the client's load first uninstall allClient

Windows Server 2003 building a mail serverBecause Windows Server 2003 defaults to not installing the POP3 and SMTP services we need to build our mail servers, we need to install them ourselves. Here's how:1. Place the Windows Server 2003 System CD

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