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MailStore Gateway is a free, complementary tool for MailStore's email archiving solutions MailStore Server and MailStore Service Provider Edition.

It provides SMTP and POP3 proxy functionality, as well as simple mail server functionality to receive and store emails from Microsoft 365, Google G Suite or other email servers that are capable of sending emails to external archiving solutions via SMTP.

If you want to get started quickly, follow the Quick Start Guide.

The following provides a walk-though of the essential steps to get the MailStore Gateway up and running, as well as some background information.

Before You Start

Overview	Learn more about the scenarios in which MailStore Gateway is the right solution for common challenges.
System Requirements	Before installing MailStore Gateway, ensure that the system requirements are met.

Installation and Setup

Installation	Irrespective of the projected scenario, it all begins with the installation of the software itself.
Basic Configuration	After successful installation, some basic configuration settings should be reviewed and adjusted where needed.
Firewall Configuration	To access MailStore Gateway from remote systems, appropriate firewall rules may have to be set up.

Using MailStore Gateway

Logging On	Learn how to login to MailStore Gateway's Management Console.
Create and Manage Mailboxes	MailStore Gateway mailboxes contain the emails that are to be archived by MailStore Server or MailStore Service Provider Edition.

Post Installation Tasks

Backup and Restore	To protect the configuration settings and mailbox content, it is highly recommended to create backups regularly.
Monitoring	This article gives an overview of what services and parameters to proactively monitor with a suitable monitoring solution to always provide users the best possible experience.

Articles

Move MailStore Gateway to new machine	This article provides steps to move your existing MailStore Gateway install to a new machine.
Update MailStore Gateway	This article provides steps how to update MailStore Gateway.
Using Let's Encrypt Certificates	This article explains how to configure MailStore Gateway to use Let's Encrypt certificates.
Change Mailbox Folder location	This article provides steps to move MailStore Gateway configuration and mailbox data to a different location.
Reset administrator password	This article describes how to reset the administrator password.
Changelog	What's new in MailStore Gateway