# Architecture

This page provides an overview of the system architecture for MailScheduler. It outlines both the **on-premises** and **cloud (SaaS)** deployment models to help you understand where data is processed, how communication flows, and how MailScheduler integrates into your infrastructure securely.

This diagram shows how MailScheduler can be deployed entirely within your organization's own infrastructure:

<figure><img src="/files/KjZlJql9X7EYLiZM0eoi" alt=""><figcaption><p>On-Premise Architecture</p></figcaption></figure>

This diagram illustrates the cloud-based deployment of MailScheduler:

<figure><img src="/files/3pblJBTtLjD8Z5YYI51I" alt=""><figcaption><p>SaaS Architecture</p></figcaption></figure>


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