Warden Anti-spam & Virus Protection Extension for Plesk

With Warden Anti-spam and Virus protection, you get the best of both worlds. Open source standards for mail scanning from Spamassassin and ClamAV combined with deep integration with the Plesk control panel.

With support for over 15 Spamassassin plugins, database logging, custom rule builder, multi-mailbox management, rich reporting, and multi-role access, Warden provides you with the most robust, extendable anti-spam and anti-virus solution for Postfix anywhere.

Warden Antispam and Virus Protection

Admin Edition$12

USD monthly

Buy Now
  • Up to 10 domains
  • Free software updates
  • Flexible billing cycles
  • Cancel at any time

Pro Edition$19

USD monthly

Buy Now
  • Up to 30 domains
  • Free software updates
  • Flexible billing cycles
  • Cancel at any time

Enterprise Edition$289

USD one time

Buy Now
  • Unlimited domains
  • One year of free software updates
  • Extend the SUS at $79 USD / year
  • No monthly fees

Free installation and configuration with every purchase!


Designed for Plesk

Designed for Plesk

The web interface is designed and optimized exclusively for Plesk. Transform Plesk into an enterprise level mail solution giving administrators, resellers and clients access to everything they need to provide the best-in-class mail support for their clients.

Spamassassin Antispam

Spamassassin Anti-spam

Warden super charges Spamassassin® by providing deep integration with Plesk and enabling all the best Spamassassin plugins. Control options for Antivirus, ASN, AWL, DCC, DKIM, FreeMail, Pyzor, PDFinfo, Razor2, ReplayCountry, Rule2XSBody, SPF, TextCat, TextRep, URIDNSBL, URILocalBL and Warden plugins all within the Plesk interface.

ClamAV Antivirus

ClamAV Anti-virus

Supports ClamAV® open source multi-threaded scanner daemon for detecting trojans, viruses, malware. Extended signatures provide protection against Phishing, Scam, Casino, porn and other general spam. The ClamAV® Postfix milter is a high performance filter written in C that blocks viruses before they even enter the mail queue.


Robust Database Logging

Database Logging

Every message scanned by Spamassassin or ClamAV can be logged to the Warden database. Easily see exactly why a message got a specific spam score. Every message is linked directly to its Plesk mailbox so you can search though logs for a specific domain or mailbox.

Antispam Custom Rule Builder

Custom Rule Builder

Add custom Spamassassin rules right though the Warden interface. Apply rules matching the message header, subject, body or specific URI's. We support adding the name, description, type, value and score for each rule.

Multi-Mailbox Management

Multi-Mailbox Management

See exactly how each mailboxes is configured on a single sortable grid. Apply spam filter changes individually per mailbox or in bulk by selecting multiple mailboxes at once. Managing thousands of emails is a snap using our dynamic grid.


Extended Signatures

Extended Signatures

Extend ClamAV using free third-party signature databases provided by Sanesecurity, FOXHOLE, OITC, Scamnailer, BOFHLAND, CRDF, Porcupine, Securiteinfo, MalwarePatrol, or the Yara-Rules Project. This can dramatically increase ClamAVs detection rates without costing you anything.

Per Message Spam Reporting

Per Message Spam Reporting

Warden logs a detailed spam analysis for each message. System administrators can enable database logging of spam reports, message headers, or even a content preview of each message body. Gone are the days of having to login to a customers email account to diagnose email problems!

100% Plesk Compatibility

100% Plesk Compatibility

Warden was developed to be 100% compatible with existing Plesk installations. Care has been taken to always use standard Plesk APIs. This makes sure that Warden will always be compatible with extensions like the migration manager and across future Plesk upgrades.


Multi-Role Access

Multi-Role Access

Warden fully supports giving resellers and customers access to different parts of the Warden application. Customers can manage their mailboxes or view their own spam and virus logs right through the warden interface. Enable your customers to help themselves without resorting to costly support calls.

Relay Country Scoring

Geolocation Scoring

Assign good or bad scores based on which country a message was relayed though. Geolocation data is updated automatically. Don't want email routed though servers in Afghanistan? Mark it as a BAD COUNTRY and be done with it!

Network Based Tests

Network Based Tests

Full support for DCC, Pyzor, Razor 2 network based tests. Check messages against distributed, collaborative, spam detection and filtering networks. Detection is done with statistical and randomized signatures that efficiently spot mutating spam content.


Customizable Dashboard

Customizable Dashboard

The dashboard supports customizing the layout and ordering of your dashboard widgets. You can even write your own plugins for use in the dashboard.

Statistics and Reporting

Statistics and Reporting

An anti-spam and anti-virus system is only as good as its reporting. We've written 30 of the most detailed spam, ham, and virus reports anywhere. You can even add your own report plugins. Line, area, scatter, bar, pie, table, and maps render types are supported.

Multi-Language Support

Multi-Language Support

Full internationalization and localization support. We currently support English, German, French, Spanish, Italian, Dutch, Polish, Portuguese, Russian, Chinese Simplified, Chinese Traditional, and Japanese languages.