Email

Introduction> Introduction # One way to send and receive email through your own custom domain is to use a third-party mail service, such as the mail service included with Google Apps (Gmail) or Zoho.

Postfix Introduction This tutorial will tell you how to setup a basic mail server and teach you a bit about the Postfix MTA (Mail Transfer Agent) in the process. Postfix is extremely flexible.

Introduction> Introduction # Postfix is an MTA (Mail Transfer Agent), an application used to send and receive email. In this tutorial, we will install and configure Postfix so that it can be used to send emails by local applications only – that is, those installed on the same server that Postfix is installed on.

Introduction> Introduction # Nowadays, many people use browser-based email clients like Gmail to access their email. However, if you want to stop seeing ads when you check your email, or if you’ve moved from a public email service to your own domain, you can run your own webmail client (also known as a mail user agent or MUA).

Introduction> Introduction # The ability to send e-mail alerts is essential for the day to day management of any VPS. For system administrators (and users alike), being able to take advantage of this [new] possibility not only makes things easier, but also provides you with many allies in your combat against thieves or downtime with triggers you can create.

About SPF Record> About SPF Record # An SPF record is a type of Domain Name Service (DNS) record that identifies which mail servers are permitted to send email on behalf of your domain.

Introduction> Introduction # When setting up a web site or application under your own domain, your hosting provider may also offer you the option of configuring your own mail server. Although there are many robust open source solutions such as Dovecot, hosting your own mail is often not the best option for many deployments.

Introduction> Introduction # GPG, or GNU Privacy Guard, is a public key cryptography implementation. This allows for the secure transmission of information between parties and can be used to verify that the origin of a message is genuine.

Introduction> Introduction # Webmin is a web front-end that allows you to manage your server remotely through a browser. Virtualmin is a plugin for Webmin that simplifies the management of multiple virtual hosts through a single interface, similar to cPanel or Plesk.

Introduction> Introduction # Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

The author selected the COVID-19 Relief Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # A little-known feature of Gmail and Google Apps email is Google’s portable SMTP server.

Introduction> Introduction # A carefully tailored SPF record will reduce the likelihood of your domain name getting fraudulently spoofed and keep your messages from getting flagged as spam before they reach your recipients.

Preface> Preface # This tutorial is based on How To Set Up a Postfix E-Mail Server with Dovecot and picks up where the first part ended. Please go through that tutorial first.

Introduction> Introduction # The frustration of getting falsely flagged as a spammer is not strange to most of the mail server admins. By excluding the possibility of a compromised server, a false flag is usually caused by one of the following:

Introduction> Introduction # Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # Although the command line is a powerful tool that can allow you to work quickly and easily in many circumstances, there are instances where a visual interface is helpful.

Introduction> Introduction # In this tutorial, we are going to configure a mail server using Postfix, Dovecot, MySQL and SpamAssassin on Ubuntu 12.04. Following this tutorial you’ll be able to add virtual domains, users, and aliases.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu: