Email

Tutorials, projects, and Q&A related to running a mail server on a Droplet using tools such as PostFix, iRedMail, and Exim.

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876 Results
  • Tutorial

    How To Use Google's SMTP Server

    A little-known feature about Gmail and Google Apps email is Google's portable SMTP server. Instead of having to manage your own outgoing mail server on your DigitalOcean VPS, you can simply configure Google's SMTP ser...
    By Pablo Carranza Email
  • Tutorial

    Why You May Not Want To Run Your Own Mail Server

    When setting up a web site or application under your own domain, it is likely that you will also want a mail server to handle the domain's incoming and outgoing email. While it is possible to run your own mail server,...
    By Mitchell Anicas Email Conceptual
  • Tutorial

    How To Configure a Mail Server Using Postfix, Dovecot, MySQL, and SpamAssassin

    In this tutorial we are going to configure a mail server using Postfix, Dovecot, MySQL, and SpamAssassin on Ubuntu 12.04.
    By Nestor de Haro Email Ubuntu
  • Tutorial

    How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 14.04

    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.
    By finid Email Ubuntu
  • Tutorial

    How To Install and Configure Postfix on Ubuntu 16.04

    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. In this gui...
    By Justin Ellingwood Email Ubuntu Ubuntu 16.04
  • Tutorial

    How to Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 16.04

    Postfix is a mail transfer agent (MTA), 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...
    By finid Email Ubuntu Ubuntu 16.04
  • Tutorial

    How To Install and Configure Postfix on Ubuntu 18.04

    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. In this gui...
    By Justin Ellingwood, Hanif Jetha Email Ubuntu Ubuntu 18.04
  • Tutorial

    How To Install and Configure DKIM with Postfix on Debian Wheezy

    This tutorial will focus on installing and configuring OpenDKIM: an open source implementation of the DKIM sender authentication system.
    By Popute Sebastian Armin Email Security DNS Debian
  • Tutorial

    How To Install and Configure Postfix on Ubuntu 14.04

    Postfix is one of the most popular open source mail delivery agents (MTA) in the world. In this guide, we will demonstrate how to install and configure a simple Postfix setup on an Ubuntu 14.04 server.
    By Justin Ellingwood Email Ubuntu
  • Tutorial

    How To Set Up a Postfix E-Mail Server with Dovecot

    This tutorial will tell you how to setup a basic mail server and attempts to teach you a bit about the Postfix MTA (Mail Transfer Agent) in the process.
    By Lukas Erlacher Email Ubuntu
  • Tutorial

    How To use an SPF Record to Prevent Spoofing & Improve E-mail Reliability

    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.
    By Pablo Carranza Email DNS Security
  • Tutorial

    How To Run Your Own Mail Server with Mail-in-a-Box on Ubuntu 14.04

    Mail-in-a-Box is an open source software bundle that makes it easy to turn your Ubuntu server into a full-stack email solution for multiple domains.
    By finid Email Security DNS Ubuntu
  • Tutorial

    How To Create a Laravel Contact Form and Send Emails with SendGrid

    Laravel is a free, open source PHP framework, based on Symfony and used for creating web applications. SendGrid is a cloud-based SMTP provider that allows you to send email without having to maintain email servers. In...
    By Bobby Iliev PHP PHP Frameworks Email Applications Development Nginx
  • Tutorial

    How To Use GPG to Encrypt and Sign Messages

    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. In this...
    By Justin Ellingwood Email Security
  • Tutorial

    How To Install and Configure Postfix on Ubuntu 20.04

    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. In this gu...
    By Mark Drake, Hanif Jetha Ubuntu 20.04 Ubuntu Email
  • Tutorial

    How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 18.04

    Postfix is a mail transfer agent (MTA), an application used to send and receive email. It can be configured so that it can be used to send emails by local application only. In this tutorial, you'll install and configu...
    By finid, Savic Ubuntu 18.04 Email
  • Tutorial

    How To Set Up Gmail with Your Domain on DigitalOcean

    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. The main benefit of using a third-party mail s...
    By Mitchell Anicas Email DigitalOcean
  • Tutorial

    How To Install Your Own Webmail Client with Roundcube on Ubuntu 16.04

    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). In this tutori...
    By Michael Holley Email LAMP Stack Ubuntu 16.04
  • Tutorial

    How To Set Up Zoho Mail with a Custom Domain Managed by DigitalOcean DNS

    One way to send and receive email through your own custom domain is to use a third-party mail service, such as Zoho or Google Apps. The main benefit of using a third-party mail service, as opposed to managing your own...
    By Mitchell Anicas Email DigitalOcean DNS
  • Tutorial

    How To Remotely Access GUI Applications Using Docker and Caddy on Ubuntu 20.04

    Even with the growing popularity of cloud services, the need for running native applications still exists. In this tutorial, you'll containerize Mozilla Thunderbird, an email client, using Docker. Afterwards, you'll s...
    By Patrick Gaskin Docker Email Open Source Ubuntu 20.04