Email Mastery Learning Hub

Lesson 1: What Are Emails? And Their History

Before diving into deliverability and inbox strategies, we need to understand the foundation: What is email, where di...

Lesson 2: How Email Works (SMTP, IMAP, POP3 Explained Simply)

Emails don’t just “fly through the air” when you press send. They rely on a set of rules called protocols that decide...

Lesson 3: Anatomy of an Email

Every email has a structure that makes it understandable by humans and machines. From the subject line you see in you...

Lesson 4: The Role of Email Clients and Servers

When you send or read an email, you’re not just dealing with a simple message—it’s a collaboration between email clie...

Lesson 7: Reputation & Sender Score (Why ISPs Trust or Block You)

Think of your email sending reputation as your credit score. Just as banks decide whether to trust you with money, Pr...