Daily Archives: September 6, 2018

Mail Server On Ubuntu 18.04 Part 4

Welcome to Mail Server on Ubuntu 18.04 Part 4. This is the forth part of a series of blog posts. We will be adding some extra checking to postfix. This will allow you to effectively blacklist some domains and email addresses. We will also be adding checks for properly formatted domain names and checking the IP address against their DNS lookup.

Mail Server on Ubuntu 18.04 Part 1
Mail Server on Ubuntu 18.04 Part 2
Mail Server on Ubuntu 18.04 Part 3

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