---
title: "Reference"
manual: "Mail system"
version: "4.2"
permalink: "https://docs.typo3.org/permalink/mediaessenz/mail:reference@4.2"
source: "Reference/Index.rst"
rendered: "2026-11-03T08:21:25+00:00"
---

# Reference {#reference}

In-depth reference for integrators and developers.

-   [Extension Configuration](https://docs.typo3.org/permalink/mediaessenz/mail:extension-configuration-1@4.2)
-   [Site Configuration](https://docs.typo3.org/permalink/mediaessenz/mail:site-configuration-1@4.2)
-   [Site Sets Settings](https://docs.typo3.org/permalink/mediaessenz/mail:site-sets-settings@4.2)
-   [TypoScript](https://docs.typo3.org/permalink/mediaessenz/mail:typoscript@4.2)
-   [Page TSconfig](https://docs.typo3.org/permalink/mediaessenz/mail:page-tsconfig@4.2)
-   [User TSconfig](https://docs.typo3.org/permalink/mediaessenz/mail:user-tsconfig@4.2)
-   [Events](https://docs.typo3.org/permalink/mediaessenz/mail:events-1@4.2)
-   [Command Controller](https://docs.typo3.org/permalink/mediaessenz/mail:command-controller-1@4.2)
-   [ViewHelpers](https://docs.typo3.org/permalink/mediaessenz/mail:viewhelpers@4.2)