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MailStore V22.1: Optimized Usability, Security, and Compliance

MailStore V22.1MailStore Version 22.1 is here! Administrators of MailStore Server and the MailStore Service Provider Edition (SPE) will benefit from a better user experience with optimized usability and stability, while business owners will be pleased with the enhanced security and a new compliance feature. This is especially the case for businesses that are using our add-on tool MailStore Gateway. MailStore Home users aren’t going away empty-handed either, as we’ve improved the user friendliness.

If you’re wondering why Version 13.2 is being succeeded by Version 22.1, don’t worry: you haven’t missed eight main versions, nor have we got our maths wrong. With the latest version, we’ve changed our numbering scheme for MailStore product versions. The new numbering system reflects the time of the release, so, Version 22.1 stands for the first quarter of 2022. You’ll find more information, together with a series of FAQs, in our blog post New Version Numbering System for MailStore Products.

New Features for MailStore Server and the MailStore Service Provider Edition

With Version 22.1 of MailStore Server and the MailStore Service Provider Edition, administrators will benefit from a better user experience, while business owners will be delighted with a new compliance feature. Moreover, the updated GDPR certification means that customers can rest assured that Version 22.1 helps meet the requirements of the EU’s GDPR.

A Better User Experience

By popular request, admins can now determine much quicker whether they need to take action in the archive. The subject lines of the status reports in MailStore Server and the MailStore SPE now alert administrators of the need to take direct action, if necessary. So, without having to examine every status report in detail, administrators can tell immediately whether, let’s say, an error has occurred in the archive and action is required. This can save precious time in everyday work, especially on mobile devices.

Version 22.1 of MailStore Server also lets admins install a new license without having to reboot the MailStore Client. So, it’s now possible to renew your Update & Support Service or switch from a trial version to a productive system without interruption, even if you have not yet activated the automatic license updating function.

Another improvement is the new input validation feature, which immediately notifies MailStore Server and MailStore SPE administrators if they have used invalid characters in the text fields of a file and folder path, e.g. when specifying which PST file is to be archived. Input validation has also been introduced when configuring the automatic creation of archive storage, too. Early detection of invalid characters avoids subsequent errors; so, rather than spending time searching for invalid entries later, the administrator can correct them straight away.


In the new version of MailStore Server and the MailStore SPE, the audit log now records how specific archiving and export profiles have been configured in the past. The resulting “full configuration history” can be used to track how certain settings have been modified over time and how this was done. This can be useful during audits and also helps with compliance. The logged information can also be used to resolve issues with archiving and export profiles, should technical problems occur.

Updated GDPR Certification

It goes without saying that Version 22.1 of our business solutions, MailStore Server and the MailStore SPE, has again been certified by independent data protection experts.

The certification takes into account all relevant aspects of the European General Data Protection Regulation (GDPR) and shows that, when used appropriately, both MailStore Server and the MailStore SPE meet all the requirements governing the processing of personal data set out in the GDPR.

You can request a copy of the official GDPR audit certificate from [email protected]. Registered MailStore partners can download the certificates from our Partner Portal or request it by email from [email protected].

New Features for MailStore Gateway

MailStore Gateway is a free add-on tool to support the simple archiving of cloud services such as Microsoft 365 and Google Workspace, and can be used as a supplement to MailStore Server and the MailStore SPE. With Version 22.1, users of MailStore Gateway profit from several new security features.

Enhanced Security

By popular request, administrators can now use Let’s Encrypt™ certificates in MailStore Gateway. This gives our customers a convenient way to use Let’s Encrypt’s free and trusted certificates to safely encrypt all incoming communications running through MailStore Gateway. The certificates can be configured during installation and at any time in MailStore Gateway’s configuration tool, and are renewed automatically every 60 days. Additional information on using Let’s Encrypt certificates with MailStore Gateway can be found in our Help section.

Moreover, the new version of MailStore Gateway uses .NET 6, i.e. the latest .NET LTS release. Also, as we are no longer bundling .NET runtime with the MailStore Gateway installer, you can update your installed .NET runtimes at operating system level (e.g. via Windows Update). This means that you’ll be able to update the .NET framework without having to update MailStore Gateway. During the installation process, the MailStore Gateway installer checks whether the .NET 6 framework exists on your system. If not, the latest version of the framework is downloaded.

Another improvement concerns the handling of TLS/SSL connections by .NET; this has now been updated in line with Microsoft’s current best practices.

New Features for MailStore Home

Although the new release focuses on our business solutions, home users of our archiving solution MailStore Home are not leaving empty-handed either. MailStore Home users, too, will benefit from the new input validation feature, which immediately notifies them if invalid characters are used in the text fields of a file and folder path. Invalid characters are detected early, which means that subsequent errors are avoided and users can correct their inputs straight away.


You can download the new version of MailStore Server, the MailStore Service Provider Edition and MailStore Gateway from our website.

Are you having problems updating to the new version because your MailStore Server Update & Support Service agreement has expired? If so, please get in touch with us to obtain an upgrade that will allow you to use the latest version of MailStore Server. It’s worthwhile having an active Update & Support Service agreement for other reasons, too. Click here for a summary of the key arguments.

Interested companies can also download Version 22.1 as part of a free, 30-day trial.

Service providers interested in the MailStore SPE can register here free of charge to obtain all the relevant information and a free trial version.

Home users can download the latest version of MailStore Home free of charge from the Products page of our website.

Click Here for the Corresponding Changelogs

More Information

Detailed information on recent versions can be found here:

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