DKIM, SPF, and DMARC are email authentication standards that prevent spoofing and improve email deliverability. This guide configures all three on a Postfix server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Postfix installed and running Access to your domain DNS records A user with sudo privileges […]
Postfix is a high-performance, secure, and widely used Mail Transfer Agent (MTA). It handles the SMTP protocol for sending and relaying email. This guide installs and configures Postfix as an internet-facing SMTP server on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with a fully qualified domain name (FQDN) […]
Dovecot is a secure, open-source IMAP and POP3 server. It allows email clients to retrieve messages stored on the server. Combined with Postfix, Dovecot completes a full mail server stack. This guide installs Dovecot on Ubuntu 26.04 LTS with TLS and Maildir storage. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]
DKIM (DomainKeys Identified Mail), SPF (Sender Policy Framework), and DMARC (Domain-based Message Authentication, Reporting and Conformance) are three DNS-based email authentication standards that protect your domain from spoofing and significantly improve email deliverability. This guide configures all three on Ubuntu 26.04 LTS with Postfix. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
Der Autor hat den Free and Open Source Fund dazu ausgewählt, eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Postfix ist ein Mail Transfer Agent (MTA), eine Anwendung zum…
O Postfix é um Agente de Transferência de E-mail (MTA) de código aberto popular que pode ser usado para rotear e entregar e-mails em um sistema Linux. Estima-se que cerca de 25% dos servidores públicos de e-mail na internet executem o Postfix. Neste guia, vamos ensinar como…
If you would like to create your own online e-mail system, you can use iRedMail. In this article we will explain how you can do it on your Ubuntu 12.04 virtual server.
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 secure it and provide remote access using the Caddy web server.
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 service, as opposed to managing your own mail server, is that you can avoid performing the ongoing maintenance that running a mail server entails. This tutorial will show you how to set up Gmail with your own domain that is managed by the cloud provider’s Domain Name Servers.
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, it is often not the best option for a variety of reasons. This guide will cover many of the reasons that you may not want to run your own mail server, and offer a few alternatives.
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