Vendors.
Browse open-source and commercial software for managed service providers, compare features, and discover cost-saving alternatives.
CATEGORIES
FILTERS
PRICING MODEL
Email Security
Showing 1-10 of 10 vendors• Open source vendors listed first
Rspamd
Email Security
High-performance open-source spam filtering with Bayesian learning, fuzzy hashing, and neural network support. Compare Rspamd with other email security tools.
SpamAssassin
Email Security
Open-source anti-spam platform providing email filtering using heuristic analysis, Bayesian filtering, and DNS blocklists
Piler
Email Security
Open-source email archiving with full-text search, retention policies, and audit-ready compliance tools. Compare Piler for MSP email management.
MailScanner
Email Security
Open source email security system for Linux-based email gateways protecting against viruses, spam, phishing, and malware
MIMEDefang
Email Security
Open-source email filtering framework that works with Sendmail's Milter API to provide customizable mail filtering in Perl.
Amavis
Email Security
High-performance interface between mailer (MTA) and content checkers like spam and antivirus scanners
Proofpoint Essentials
Email Security
Cloud-based email security for SMBs with advanced threat protection, URL defense, and email continuity. Review Proofpoint Essentials for MSP clients.
Barracuda Email Security
Email Security
Comprehensive email security solution protecting against spam, malware, and advanced threats with AI-powered detection.
Mimecast Email Security
Email Security
Cloud-based advanced email security platform protecting against sophisticated email attacks, malware, and data loss.
Proxmox Mail Gateway
Email Security
Open-source email gateway with spam filtering, virus scanning, and policy-based routing to protect mail infrastructure. Review Proxmox Mail Gateway.