---
title: "Learn how BooleanSMTP works"
description: "Three short, interactive lessons — how a WordPress email travels, which mailer to pick, and why a sent test sometimes never arrives."
image: "https://booleansmtp.com/docs/og.png"
---

> Documentation Index
> Fetch the complete documentation index at: https://booleansmtp.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Learn how BooleanSMTP works

import { LearnPath } from '@booleanpress/learn';
import { docsHref } from '../../../lib/href';

These lessons explain what happens behind the settings screens. Each one takes a few minutes, has an interactive diagram
you can step through at your own pace, and ends with two or three questions. Your progress is kept in this browser only.

Source: https://booleansmtp.com/docs/learn/index.mdx