Setup Your Own Email Server with Postfix and Ubuntu

In this post, I will go over the step-by-step process of setting up a Postfix SMTP server on Unbuntu. This post will be split in two parts, where the first part will be going over the following: In the second part, I will go over advanced topics such as: See Also What is Postfix SMTP … Read more

What is SMTP and How It Works?

In this post, I will go over what is SMTP, its features and how and why it is used. I will also be going over email servers, cloud-based SMTP service providers and email clients for Windows, Mac, Android and iOS. Introduction Simple Mail Transfer Protocol (SMTP), is based on a standard communication protocol, defined originally … Read more

How to Remove an IP Address from a Blacklist

What is an IP Address and Why it Might be Added to a Blacklist An IP (Internet Protocol) address is a unique numerical label assigned to every device connected to a computer network that uses the Internet Protocol for communication. Sometimes, IP addresses can be added to a blacklist, which is a list of IP … Read more

Domain Name, IP Blacklists and Email SPAM

Email SPAM is a big business and a big problem. More than 45% of all email sent worldwide is considered unwanted or SPAM. Opportunities and Problems with SPAM Email Sending emails is big business. Emails are used not only as a personal and corporate communication tool but also used by businesses of all types to … Read more