Is mailman3.com Safe? Security Analysis for New IT
https://mailman3.comCheck if mailman3.com is a scam or legitimate. Free security scan and reviews.
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Mailman3.com is a specialized SaaS provider offering hosted Mailman 3 mailing list management services. The company provides multiple subscription plans including shared, dedicated, reseller, and enterprise options, targeting organizations requiring robust email list management and delivery. The business operates with a clear focus on Mailman 3 technology but is unaffiliated with the official Mailman 3 developers. The website presents a professional image with clear service descriptions and pricing, supported by modern web technologies including Google Analytics and Stripe for payments. However, it lacks formal privacy and terms of service documentation, which may impact user trust and compliance. Security posture is moderate with HTTPS enabled and no visible sensitive data exposure, but improvements such as DNSSEC and security headers are recommended. Overall, the domain registration is consistent and trustworthy, supporting the legitimacy of the business.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep mailman3.com under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
7 findings
30/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company positions itself as a niche provider in the mailing list hosting market, leveraging the open-source Mailman 3 platform. Its subscription-based model with tiered plans caters to a range of customers from small websites to enterprise clients. The presence of an open-source support initiative indicates community engagement. The partnership with New IT suggests a stable operational base. The lack of phone or physical address information limits direct contact options but the consistent use of a professional contact email supports credibility. The business appears small but focused, with growth potential in specialized email hosting services.
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS and integrates secure payment processing via Stripe, indicating baseline security awareness. However, the absence of DNSSEC, security headers, and published security policies suggests room for improvement in defense-in-depth strategies. No incident response or vulnerability disclosure information is available, which could hinder timely handling of security events. The cookie consent mechanism is implemented, supporting privacy compliance to some extent. Overall, the security maturity is moderate but would benefit from formalized policies and enhanced technical controls.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy and terms of service to improve compliance and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
New IT
Mailman3.com offers hosted Mailman 3 mailing list management services including shared, dedicated, reseller, and enterprise plans with features like unlimited lists, rock solid email delivery, and added value services.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- HTTPS enabled
- No exposed sensitive data in HTML
- Use of secure payment integration (Stripe)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a niche SaaS provider for Mailman 3 mailing list hosting.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 53 days
Mixed Content Detected
MEDIUM2 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Weak SPF Policy
HIGHSPF record has permissive policy allowing any server to send email
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does mailman3.com compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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