Appliance spam filter to protect your business.

MailCleaner is an open-source spam filter appliance gateway designed to safeguard your email mailboxes from spam and viruses. It offers an easy installation process, ensures complete data privacy, and upholds the highest Swiss-made quality standards—all for free.

For large enterprises

MailCleaner Virtual Anti-Spam Appliance provides a comprehensive, on-premises solution for effective email security.

For ISPs & ASPs

MailCleaner is the ideal choice for ISPs and ASPs seeking to deliver top-tier anti-spam and antivirus filtering to their clients.

Need a professional, ready-to-use cloud-based antispam solution?

Cleanmail is your intelligent email shield — filtering both incoming and outgoing messages to safeguard your communications. With built-in quarantine management and emergency webmail, this cloud-based service is perfect for private companies, public institutions, and MSPs.

Discover how Cleanmail can protect your inbox