SpamTitan is an email security solution that provides protection against spam, malware, ransomware, phishing, and other email threats.
Starting at $1 per user per month
Best Proxmox Mail Gateway Alternatives ranked by AI · updated May 2025
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Proxmox Mail Gateway is a mail security solution for spam and virus filtering. It provides an easy-to-use web-based interface with quarantine, reports, and monitoring features.
Price: Starting at $249/year
🎯 proxmox.com/en/products/proxmox-mail-gateway/overview
Top 6 Proxmox Mail Gateway alternatives
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Mimecast offers email security and archiving solutions with a focus on protecting against advanced threats and ensuring data resilience.
Pros
- Advanced threat protection
- Data resilience features
Cons
- Pricing may vary based on feature set
Contact for pricing
Barracuda Email Security Gateway is a comprehensive email security platform that protects against email-borne threats. It offers advanced protection features such as...
Contact sales for pricing
SpamAssassin is a powerful and popular open-source spam filter that uses a variety of spam-detection techniques.
MailScanner is a highly respected open-source email security system design for Linux-based email gateways.
Rspamd is an open-source, high-performance spam filtering system for mail servers and hosting providers. It combines statistical analysis, reputation data, antivirus integration,...
Pros
- Faster and more resource-efficient than many traditional content filters
- Strong Bayesian, reputation, DKIM, DMARC, and fuzzy-checking capabilities
- Flexible Lua scripting and HTTP API support advanced mail workflows
Cons
- More complex to configure than hosted spam-filtering services
- Requires mail-server administration and ongoing rule tuning
- Smaller ecosystem and less legacy documentation than SpamAssassin
Free, open source
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