Mail Server

no-domain-under-control-iredadmin

How to Fix No Domain Under Control Error in iRedMail

While I’m setting up a mail server on Ubuntu 18.04 with iRedMail 0.9.8, I encountered the “No domain under control”…

modoboa login

How to Quickly Set up a Mail Server on Ubuntu 22.04 with Modoboa

This tutorial is going to show you how to quickly set up your own email server on Ubuntu 22.04 with…

postfix relay domains

How to Set up a Backup Email Server with Postfix on Ubuntu (Complete Guide)

This tutorial will be showing you how to set up a backup email server with Postfix on Ubuntu. A backup…

spam test result

How to Set up Postfix SMTP Relay on Ubuntu with Mailjet

This tutorial is going to show you how to set up Postfix SMTP relay with Mailjet on Ubuntu. Postfix is…

best postfix spam filter

7 Effective Tips for Blocking Email Spam with Postfix SMTP Server

In this tutorial, I’d like to share with you my 7 tips for blocking email spam with Postfix SMTP server.…

Host Multiple Email Domains in PostfixAdmin on Debian

How to Host Multiple Email Domains in PostfixAdmin on Debian

This tutorial will be showing you how to set up multiple mail domains (virtual hosting) on Debian server with PostfixAdmin,…

How to Easily Set up a Full-Fledged Mail Server on Ubuntu 24.04 with iRedMail

Setting up your own email server on Linux from scratch is a long and tedious process, a pain in the…

mailing list manager

How to Install GNU Mailman on Ubuntu 16.04 with Postfix, Nginx and FastCGI

GNU mailman is free and open-source web-based mailing list manager written in Python. It’s commonly used by open-source projects. In this…

spamassassin

Setting Up Amavis and ClamAV on Debian 11/10 Mail Server

This is part 11 in the Debian mail server from scratch tutorial series. In this article, I will show you…

rainloop webmail

How to Install RainLoop Webmail on Ubuntu 16.04

In previous articles, we discussed how to set up your own mail server on Ubuntu from scratch. This tutorial is…

squirrelmail ubuntu 16.04

How to Install SquirrelMail on Ubuntu 16.04 with LAMP or LEMP

SquirrelMail is an open source web-based mail client written in PHP with support for SMTP and IMAP protocol. In this…

roundcube webmail on ubuntu 16.04 xenial

Install Roundcube Webmail on Debian 11/10 with Apache/Nginx

Roundcube is a free open-source, full-featured webmail client written in PHP. A webmail is a mail client in your browser.…

build your own secure email server with postfix

Part 2: Install Dovecot IMAP server on Ubuntu & Enable TLS Encryption

This is part 2 of building your own secure email server on Ubuntu from scratch tutorial series. In part 1,…

Part 5: Creating DMARC Record to Protect Your Domain Name From Email Spoofing

In part 4 of building your own email server tutorial series (Ubuntu version, CentOS/RHEL version), we implemented SPF and DKIM…

Part 4: How to Set up SPF and DKIM with Postfix on Ubuntu Server

After completing part 1 and part 2, we have a working Postfix SMTP server and Dovecot IMAP server. We can…

Mail Server Login Error – Dovecot IMAP Authentication Failed

You have set up a Postfix and Dovecot mail server for your own domain name. It runs smoothly for a…

Build Your Own Email Server on Ubuntu Basic Postfix Setup

Build Your Own Email Server on Ubuntu: Basic Postfix Setup

Why run your own email server? Perhaps you have a website, which needs to send emails to users, or maybe…

OpenDMARC-Postfix-Debian

Set Up OpenDMARC with Postfix on Debian to Block Spam/Email Spoofing

In previous articles, we discussed several effective tips to block email spam. This tutorial will be showing you how to…

550 Mail Content Denied

How To Solve 550 Mail Content Denied Error

If you are running your own mail server and send emails to your mailing list, you may have encountered “550…