Warden Protection
Warden combines the proven power of Amavis, SpamAssassin, and ClamAV with deep Plesk integration to deliver enterprise email security at a fraction of commercial pricing. Protect every domain, mailbox, and employee without breaking your budget.
With 25+ advanced spam plugins, bidirectional scanning, automated quarantine management, intelligent learning capabilities, and comprehensive reporting—Warden transforms Plesk into a business-class mail security platform that pays for itself by reducing support tickets, preventing data breaches, and keeping your teams productive.
Get one month free with annual billing!
Admin Edition$10
USD monthly
Buy Now- Up to 10 domains *
- Free software updates
- Flexible billing cycles
- Cancel at any time
Pro Edition$15
USD monthly
Buy Now- Up to 30 domains *
- Free software updates
- Flexible billing cycles
- Cancel at any time
Enterprise Edition$289
USD one-time purchase
Buy Now- Unlimited domains
- One year of free software updates
- Extend the SUS $79 USD / year
- No monthly fees
* All domains added in Plesk are counted towards your license domain limit. More information
Risk-Free 15-Day Evaluation!
Start your free trial with full functionality and no technical restrictions.
Enterprise Content Filter
Deploy Amavis—the trusted filtering standard behind the worlds largest email providers. Transform Plesk into a business-grade mail security platform that administrators, resellers, and clients can manage independently, reducing support overhead while delivering enterprise protection.
Advanced Anti-Spam Engine
Warden activates all 25+ premium SpamAssassin® plugins with complete Plesk integration. Control DKIM, SPF, DCC, Pyzor, Razor2, ASN reputation, Bayesian filtering, and more—directly from the interface. Deliver cleaner inboxes so your team wastes less time on junk email.
Multi-Layer Antivirus Protection
ClamAV® provides enterprise-grade malware detection with multi-threaded scanning and extended signatures. Protect against ransomware, phishing, scams, and zero-day threats—without commercial antivirus licensing fees. Supports 40+ additional scanners for comprehensive coverage.
Hierarchical Policy Management
Set policies once at the server level, then customize per domain or mailbox. Inheritance eliminates redundant configuration and saves hours of administrative work—ensuring consistent protection across your entire organization with minimal maintenance.
Self-Service Quarantine
Give customers and employees direct access to manage quarantined messages. False positives are resolved in seconds—not support tickets—saving your team hours of inbox management every week while maintaining security compliance.
Comprehensive Reporting & Analytics
Transform raw data into actionable business intelligence with 50+ detailed reports. Track spam trends, monitor server performance, and demonstrate security ROI to stakeholders—with custom report builder supporting charts, graphs, maps, and CSV export.
Automated Learning & Reputation
Warden learns continuously from user behavior. When clients move messages to or from their spam folder, the system automatically improves—delivering better accuracy over time with zero manual training required and SQL-backed performance.
Custom Rule Builder
Create business-specific filtering rules without coding expertise. Target headers, subjects, body content, or URIs through an intuitive interface—deploying custom protections in minutes instead of hours and reducing time-to-resolution for email issues.
Complete Audit Logging
Every message is logged with full detail and linked to its Plesk mailbox. Streamline incident investigation, compliance reporting, and troubleshooting without command-line expertise—saving hours of diagnostic time per issue.
Collaborative Spam Detection
Leverage global threat intelligence from DCC, Pyzor, and Razor 2 networks. These collaborative systems dramatically improve bulk email detection without additional infrastructure costs—your server benefits from millions of users worldwide at zero marginal expense.
Role-Based Access Control
Empower resellers, customers, and end users with appropriate self-service controls. Dramatically reduce support ticket volume by letting users manage their own email security—saving your team hours of administrative work every week.
Global Language Support
Full internationalization across 14 languages including English, German, French, Spanish, Italian, Russian, Chinese, and Japanese. Serve global clients without language barriers—reducing support complexity for international deployments.
Client Connection Monitoring
Track every Dovecot session in real time. Quickly identify compromised accounts, unauthorized access attempts, or configuration issues—resolving security incidents before they impact business productivity. View username, connections, protocol, IP address, and geographic location for instant visibility.
Third-Party Rules Integration
Enhance detection rates with community-vetted rulesets at no additional licensing cost. Built-in KAM ruleset support from the McGrail Foundation provides proven spam detection improvement without enterprise pricing.
Policy Migrator
Migrate existing spam filter settings to Warden in minutes—not hours. Import old Plesk configurations or transfer policies across servers with a few clicks, eliminating downtime and reducing migration costs.
Extended Threat Signatures
Dramatically increase malware detection using free signatures from Sanesecurity, Securiteinfo, and URLhaus. Block ransomware, phishing, and zero-day threats—without premium antivirus licensing fees or recurring subscription costs.
Spam Analysis Reports
View detailed spam rule matching for every message without parsing technical headers. Diagnose email issues in seconds instead of minutes—eliminating the need to log into customer accounts and reducing troubleshooting time dramatically.
100% Plesk Compatible
Built exclusively for Plesk using standard APIs—guaranteeing compatibility with migration tools, future upgrades, and the entire Plesk ecosystem. Protect your infrastructure investment with zero integration risk.
Postscreen Defense Layer
Deploy Postfix Postscreen as a lightweight first line of defense. Block botnet attacks and resource-hungry spammers before they reach your main SMTP server—preserving system resources for legitimate business email and reducing infrastructure costs.
Rule Score Management
Fine-tune filter sensitivity with an intuitive dynamic grid. Adjust scores to match your business tolerance for false positives—balancing protection with deliverability without editing configuration files.
Rule Performance Statistics
Monitor filter performance with granular rule tracking. Identify which rules are most effective, optimize scoring thresholds, and demonstrate the value of your email security investment with data-driven insights.