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 ...

Here, I’m going to show you how to create a new email address, like admin@yourdomain.com, and integrate it with your Gmail account. This way, you can easily send and receive emails through the Gmail interface, but your customer will see the emails as coming from your domain email address. The steps have been broken in two parts. First we’ll see how to create the domain email address. Second, we’ll integrate that domain email with your Gmail account. 1. Create the domain name email address Log into your  hosting control panel, or cpanel. Click on Email Accounts in the Email section. Enter the details for your new account, and click Create Account. You will see a notification that reads something like this: “Success! Account Created.” The account will be shown on the same page. Now go back to your cpanel and click on Forwarders in the Mail section. Then click Add Forwarder. Fill all the details . Then, click Add Forwarder and you’re done. Now all the...