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

# About This Guide

> Formatting conventions, definitions, and legal notice for the MailMarshal SMTP User Guide (July 2026).

This is the *MailMarshal SMTP User Guide* (July 2, 2026).

The most current version of this document may be obtained from [Support.LevelBlue.com/MailMarshal-SMTP/](https://support.levelblue.com/MailMarshal-SMTP/).

## Formatting Conventions

This manual uses the following formatting conventions to denote specific information.

| Format and Symbols | Meaning |
| - | - |
| Blue Underline | A blue underline indicates a Web site or email address. |
| **Bold** | Bold text denotes UI control and names such as commands, menu items, tab and field names, button and check box names, window and dialog box names, and areas of windows or dialog boxes. |
| `Code` | Text in this format indicates computer code or information at a command line. |
| *Italics* | Italics are used to denote the name of a published work, the current document, or another document; for text emphasis; or to introduce a new term. In code examples italics indicate a placeholder for values and expressions. |
| \[Square brackets] | In code examples, square brackets indicate optional sections or entries. |

> [!NOTE]
>
> **Note:** This symbol indicates information that applies to the task at hand.

> [!TIP]
>
> **Tip:** This symbol denotes a suggestion for a better or more productive way to use the product.

> [!WARNING]
>
> **Caution:** This symbol highlights a warning against using the product in an unintended manner.

## Definitions

This manual uses the following naming conventions.

| Term | Definition |
| - | - |
| Service Provider | LevelBlue or the Reseller for a Customer. |
| Reseller | An organization that markets and manages hosted services to customers. |
| Reseller User | The personnel who manage application configuration and settings for customers of the Reseller. |
| Customer | An organization that subscribes to the hosted service. |
| Customer Administrator | The personnel who manage local configuration and email content security settings for the Customer organization. |
| User | Any individual email user within the Customer organization. |

## Legal Notice

Copyright © 2026 Trustwave Holdings, Inc.