---
title: "EXM server roles and dependencies"
slug: "exm-server-roles-and-dependencies"
abstract: "A list of the EXM roles and their dependencies."
---
# EXM server roles and dependencies

The table below details EXM server roles with the associated dependencies.

| Content Delivery | Handling of email opens<br><br>Handling of clicks<br><br>Handling of unsubscribes<br><br>ClientAPI |
| --- | --- |
| Content Management | EXM UI<br><br>Queuing<br><br>Dispatch<br><br>Handling of bounces<br><br>Handling of spam complaints<br><br>Handling of suppressions<br><br>Handling of subscribes and unsubscribes |
| Dedicated Dispatch | Dispatch<br><br>Handling of bounces<br><br>Handling of spam complaints |
| Processing | Aggregation of EXM events |
| Reporting | Reporting |
| SQL | EXM master database<br><br>Dispatch queue<br><br>Suppression cache<br><br>Aggregated EXM campaign data<br><br>Task runner<br><br>EXM web database<br><br>Open cache<br><br>Click cache<br><br>Task runner |