The Sendmail program is a very widely used Mail Transport Agent (MTA). MTAs send mail from one machine to another. Sendmail is not a client program, which you use to read your email. Sendmail is a behind-the-scenes program which actually moves your email over networks or the Internet to where you want it to go..  This guide show you have to install and configure sendmail with virtual user and domains -  Installation  - Check if sendmail is installed or not: # rpm –qa | grep sendmail If it is not installed, then install the sendmail package using following command: # yum install sendmail sendmail-cf By default sendmail listen on local interface i.e 127.0.0.1 To configure the sendmail to listen to all interface at the host, just comment the following line in “sendmail.mc”: # vi /etc/mail/sendmail.mc From: DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl ...

Hi,  This tutorial will guide you to successfully install and setup zPanel CP on Centos 6 VPS in simple 10 steps. Preparation This guide is done on a cloud vps running CentOS 6.4 64-bit. This will also work on any CentOS 6 32-bit or 64-bit but for better compatibility make sure you use at least CentOS 6.3. Also, although zPanel is very lightweight panel in regard of resource usage . but it is strongly recommended to have at least 512MB of RAM. Install zPanel CP Step 1 – Prepare a fresh CentOS 6 VPS. Log in to your server via SSH (use Putty or Terminal) as root. Step 2 – Now lets download the installer file by following link- # for 64-bit use:   wget https: //github .com /zpanel/zpanelx/releases/download/10 .1.0_orig /installer-10-1-0-centos-64 .sh.x   # for 32-bit use:   wget https: //github .com /zpanel/zpanelx/releases/download/10 .1.0_orig /installer-10-1-0-centos-32 .sh.x   Step 3 - Now  you have to make i...