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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.…

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…

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…

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…