System Filters

System Filters

System filters are global black- and whitelists managed centrally by administrators. Unlike user-specific filters, system filters apply account-wide to all email addresses.

Overview

The system filters view is divided into two panels:

• Blacklist (red): Email addresses that are blocked account-wide.
• Whitelist (green): Email addresses that bypass quarantine account-wide.

Managing Entries

Each entry in a system filter list contains the following fields:

Note: Notes for entries can be added via CSV import.

Adding an Entry

1. Navigate to MailGuard > System Filters.
2. The view shows Blacklist and Whitelist side by side.
3. Enter the email address or domain in the input field.
4. Click + to add the entry.

Removing an Entry

Click the delete icon next to the desired entry to remove it from the list.

CSV Import and Export

For bulk management of filter entries, system filters support import and export in CSV format.

CSV Import

1. Click Import.
2. Select a CSV file with the following structure:
   • Column 1: Email address or domain
   • Column 2: Note (optional)
3. Confirm the import.

CSV Export

1. Click Export.
2. The current list will be downloaded as a CSV file.

Difference from User-Specific Filters

System filters always take precedence over user-specific filters.

Required Permission

Available to Owner and Operator.

See Also

• Black- & Whitelists – Overview of global and personal lists.
• Settings – Configure MailGuard settings for user filters.