Added maildevtools docs

Author: WorksInTheory

Tools/maildevtools.md

@@ -0,0 +1,47 @@
+---
+order: 210
+icon: flask
+---
+
+# Mailpit and Mailhog
+Our TurboStack supports two _mail dev tools_ for you to choose from.
+
+`Mailpit` and `Mailhog` are developer tools for testing emails safely. They act like a local SMTP server. Your application “sends” emails to customer email addresses, but the emails are not actually delivered to them.
+
+Instead, the emails are captured and shown in a web interface, where developers can inspect the subject, content, headers, links, and formatting. 
+
+Both tools are useful during development and automated testing because they prevent accidental real email delivery while making it easy to verify that email functionality works correctly.
+
+!!! info
+We currently recommend Mailpit over Mailhog, as the Mailhog project is no longer receiving updates!
+!!!
+
+## Enable it in the TurboStack GUI
+In the TurboStack GUI of your server, go to `Advanced` > `Mail Settings`, then click the toggle `Enable mail capturing and mail testing`.
+
+New options will then show, where you can choose between `Mailpit` and `Mailhog`.
+
+If you want to temporarily disable the service, you can do so with the `Mail Auto Intercept` toogle.
+
+![maildevtools_gui](../img/tools/maildevtools/mailsettings_gui.png)
+
+## Enable it via the YAML editor
+To enable this via our YAML editor, add the following to the config:
+
+```yaml
+mail_devtool: mailpit
+```
+
+To temporarily disable the mail intercept, add the following line under `mail_devtool`:
+
+```yaml
+mail_auto_intercept: false
+```
+
+## Accessing the tool GUI
+
+To access the tool, you can do so by going to the IP or domain of your application and append 
+- `http://[IP_OR_DOMAIN]/mailpit` for Mailpit
+- `http://[IP_OR_DOMAIN]/mailhog` for Mailhog
+
+You will then get a `Basic Auth` prompt where you'll need to enter the credentials of a _system user_. These login details can be found in the **Credentials** tab of your server in the TurboStack GUI.

TurboStack Platform/Hosts/advanced.md

@@ -34,6 +34,8 @@ TurboStack allows you to use either **Mailpit** or **Mailhog** to test your mail
 We currently recommend Mailpit over Mailhog, as the Mailhog project is no longer receiving updates!
 !!!
 
+For more information on how to use Mailpit and Mailhog, take a look [here](../../Tools/maildevtools.md).
+
 ## Varnish Options
 
 ![Varnish Options](img/advancedtabvarnish.png)