Note: The MailStore User Add-On is NOT installable software — it is a license extension that increases the number of users in MailStore Server or MailStore Service Provider Edition.
1. Prerequisites
Before using the User Add-On, ensure:
- MailStore Server (or SPE) is already installed and running
- Administrative access to MailStore Management Console
- Valid license key (User Add-On license)
2. Installation Process (Base System)
Since the Add-On depends on MailStore Server:
- Download MailStore from official site → MailStore Server download page
- Run the setup file (.exe)
- Follow installation wizard:
- Accept license agreement
- Choose installation path
- Complete setup
- Launch MailStore Client / Management Console
3. Activation of User Add-On (Key Step)
Unlike plugins, the User Add-On is activated via licensing:
- Open MailStore Client
- Login as Administrator
- Navigate to:
Administrative Tools → License Information
- Click “Change License” / “Update License”
- Enter your:
- New license key (includes User Add-On)
- Apply and confirm
After activation:
- User limit increases instantly
- No restart required (in most cases)
4. Deployment Process (Enterprise Setup)
A. Adding New Users
After activation:
- Go to:
Administrative Tools → Users and Archives
- Add users:
- Manual creation
- Directory sync (Active Directory, LDAP)
- Assign permissions and roles
B. Client Access Deployment
Users can access archives via:
- MailStore Client
- Web Access
- IMAP access
- Outlook integration
5. Verification
After activation and deployment: