OpenMSP
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Proofpoint Essentials

Email Security

Commercial Vendor
Paid Plans
Paid Plans
Paid Plans
Paid Plans
Paid Plans
Paid Plans
E
Enterprise
OpenMSP Score
74
65
Reddit Impact Score

Alternative Vendors

Rspamd
Rspamd
SpamAssassin
SpamAssassin
Piler
Piler
MailScanner
MailScanner

Commercial Alternatives

Barracuda Email Security
Barracuda Email Security
Mimecast Email Security
Mimecast Email Security
Proofpoint Essentials is a commercial email security solution designed specifically for small and medium-sized businesses, providing the same AI-powered protection technology used by 75% of Fortune 100 companies. It offers 7 pricing tiers ranging from $1.65 to $6.86 per user per month, with features including advanced threat protection, email encryption, DLP, security awareness training, and business continuity. The solution excels in Microsoft 365 integration with automatic Azure/Active Directory sync but has limited Google Workspace support requiring manual user management.
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Key Features

Advanced Threat Protection

AI-powered detection technology that protects against spam, phishing, business email compromise, ransomware, and malware using machine learning

Email Encryption and DLP

Built-in data loss prevention and email encryption to detect outbound data exfiltration and secure sensitive information automatically

Security Awareness Training

Comprehensive training program with simulated phishing attacks and customizable templates to educate users on threat recognition

Business Continuity

24/7 emergency inbox and email continuity functions ensure critical email always gets through during network failures

Pros and Cons

Pros

Enterprise-Grade Security for SMBs

Provides the same AI-powered detection technology used by 75% of Fortune 100 companies at SMB-friendly pricing

Microsoft 365 Integration

Seamless integration with Microsoft 365 environments with automatic Azure/Active Directory sync and easy deployment

Comprehensive Email Security

Covers full spectrum of email threats including BEC, phishing, malware, and includes advanced URL and attachment defense

Cons

No Internal Email Scanning

Does not scan internal emails, potentially missing internal threats and lateral movement attacks

DKIM Signature Issues

URL defense feature can interfere with DKIM signatures, potentially causing legitimate emails to be flagged as spam

Limited Google Workspace Integration

Lacks automatic syncing with Google Workspace, requiring manual user management and creating additional administrative overhead

Feature Comparison

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Frequently Asked Questions

Getting Started

OpenMSP is The MSP Knowledge Hub & Community Platform designed specifically for Managed Service Providers seeking to optimize their technology stack, reduce vendor costs, and discover open-source alternatives. We combine a comprehensive vendor directory, open-source solution catalog, and integrated community discussions to help MSPs make informed decisions.
Yes, completely free. Browse vendors and tools, read comparisons, and join community discussions - no cost, no registration required. OpenMSP is community-supported and focused on empowering MSPs to reduce costs and improve operational efficiency through open-source technology.
We help MSPs identify cost-effective alternatives to expensive commercial solutions, provide transparent vendor information, and connect you with proven open-source alternatives. Our platform enables MSPs to make informed decisions about their technology investments.
No account required for browsing vendors, reading comparisons, or accessing community content. Creating a free account with SSO (Microsoft, Google, or Slack) allows you to participate in discussions and save your favorite tools.

Platform Information

OpenMSP is currently community-supported. We focus on providing value to the MSP community first. Any future monetization will keep the core platform free for MSPs while maintaining our independence and commitment to unbiased information.
We focus exclusively on MSP needs with transparent vendor information and open-source alternatives. No vendor partnerships or sponsored listings - just honest, community-driven information to help MSPs make better technology decisions. Our biggest value is our community where MSPs help each other with questions, setup guidance, and sharing real-world experiences.
Our community of MSP professionals helps verify and update information. We also maintain direct research on tools and vendors to ensure accuracy. Community members can report outdated information, and we work to keep everything current.
OpenMSP was founded by Michael Assraf, who has extensive experience in the MSP industry and product leadership. As the former CEO & Founder of Vicarius, Michael grew a startup from $0 to $9M ARR with 500+ customers and deep experience working with MSPs, partners, and fundraising. OpenMSP represents his commitment to empowering the MSP community through better technology decisions and cost optimization.

Open-Source Tools & Alternatives

We assess tools based on active development, community size, documentation quality, production deployments by MSPs, and available support options. Tools must meet strict criteria for reliability and enterprise readiness.
Many open-source projects offer multiple support options including community forums, commercial support from vendors, professional services, and our community discussions where experienced MSPs share implementation guidance.