The Easy Visual-Guide shows you How to Install, Configure and Getting-Started with the Postfix eMail MTA on Ubuntu Linux.
Following the Postfix Configuration Proposed here Below will Get a Working eMail Secure Server on Ubuntu.
Before must have a Working eMail Server you will Need to Make an MX Mail Exchanger Record for the Domain.
Finally, to the article Bottom there is a Link to Guide for Enabling the Smtp, Pop, & Imap Client Login to Postfix Server.
Open Terminal Window
(Press “Enter” to Execute Commands)Cmd and Search “term”
In case first see: Terminal QuickStart Guide.
Postfix Installation.
sudo apt-get install postfix
If Got “User is Not in Sudoers file” then see: How to Enable sudo
You’ll be Asked about Mail Server Configuration and Domain Name, if you don’t Have some Special Needing just Take the Default Values…
Postfix Local Network SetUp
sudo su
Here we see the Configuration by the postconf Utility but your can Directly See & Edit the Postfix Variables on the /etc/postfix/main.cf File.
Postfix Network SetUp Example:
postconf -e "mynetworks = 127.0.0.0/8"
Next Set Postfix Domains
Example:
postconf -e "mydestination = example.com, mail.example.com, localhost.localdomain, localhost"
This Make Postfix Aware that if it receives mail destined to either of these, for example, myuser@mail.example.com or myuser@example.com, it should accept and process this e-mails.
The New Messages are Stored in the Maildir Directory on the User’s Home.Enable All Network Interfaces to Receive eMails
postconf -e "inet_protocols = all"
Latest Restart Postfix
service postfix restart
Test Postfix Installation
telnet <domainName.com> 25
Enter “quit” to Quit :)
If Not Working See How to SetUp a MX Record for Receiving eMails.
How to Enable Smtp, Pop & Imap Client Authentication.
Articleifx+Dovecot Secure Auth