Proxmox Mail Gateway - Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.
Barracuda Web Application Firewall - Barracuda Web Application Firewall offers security and DDoS protection against automated & targeted attacks.
SpamAssassin - Use this program to "Unspam" your mailbox(es).
AWS WAF - AWS WAF is a web application firewall that helps protect your web applications from common web exploits.
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
Cloudflare WAF - Whether you want automatic WAF protection from known vulnerabilities or have custom WAF rules, our real-time platform can do it.