What is an SMTP Server?

An SMTP server is a lot like any other server but it is highly specialized in the ability to process and deliver outbound email.
The Complete Guide to Email Authentication, Part 4
This is part 4 of an 8 part series on Email Authentication, to go to part one click here. Sender ID Framework (Sender ID) Very similar to SPF version 1 is SPF 2.0, more commonly known as Sender ID. Sender ID works on the same principles as SPF, with the exception that it not only has […]
Email Whitelisting: A Dying Practice

What are email whitelists and are they still relevant to you in todays highly technical email industry? An email whitelist is a…
The Complete Guide to Email Authentication, Part 3
This is part 3 of an 8 part series on Email Authentication, to go to part one click here. Sender Policy Framework (SPF) For purposes of clarification, the term SPF used in this section refers to SPFv1 or SPF Classic. SPF 2.0 will be discussed in the next section under Sender ID. Sender Policy Framework (SPF) […]
The Complete Guide to Email Authentication, Part 2
This is part 2 of an 8 part series on Email Authentication, to go to part one click here. A Brief History of Email Authentication Meng Weng Wong and Sender Policy Framework The concept of email authentication – validating sender email either by IP address or encryption – dates back as far as 1997. Multiple specifications […]
The Complete Guide to Email Authentication, Part 1
Introduction The objective of this paper is to provide a brief overview and description of the most commonly used email authentication practices and methodologies. It is not exhaustive in nature, and does not cover every aspect of every technology in use today. It does, however, cover the main topics and points of discussion with regard […]
Transactional Email GDPR Rules: Can You Send Transactional Email Without Consent?

Under GDPR do you need consent to deliver transactional emails to EU citizens? Find out in this post about Transactional Email and GDPR…
Making the Most of PowerShell Automation – More than Just Sending Email

If you are an IT administrator and want to learn more about how you can use PowerShell automation to simplify administrative duties…
Top 6 Transactional Email Best Practices

Today we’re sharing our very best top 6 transactional email best practices to ensure smooth delivery of your transactional email. Here’s the list…