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Is mailjet.com a Scam? Security Check Results - Mailjet: Email Delivery Service for Marketing & Developer Teams

mailjet.com Security Report Summary

mailjet.com received a security score of 77 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Mailjet: Email Delivery Service for Marketing & Developer Teams's website security posture. Mailjet: Email Delivery Service for Marketing & Developer Teams operates in the Technology industry in N/a.

Mailjet is a large, established SaaS company specializing in email marketing software and email APIs designed for marketing and developer teams. The platform offers a comprehensive suite of services including email marketing, transactional email delivery, automation, segmentation, and deliverability solutions. It targets enterprises and teams requiring reliable and GDPR-compliant email solutions. The website demonstrates a high level of digital maturity with a modern WordPress CMS, Bootstrap framework, and integration of analytics and SEO tools. The content is professionally presented, mobile-optimized, and rich in relevant business information. Security posture is strong with HTTPS and secure form usage, though explicit security policies and vulnerability disclosures are absent. WHOIS data is unavailable, which slightly reduces trust but is not uncommon for SaaS providers. Overall, the website is trustworthy, professional, and well-positioned in the email marketing technology sector.

The security scan identified 21 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: WordPress, Yoast SEO plugin, Bootstrap, Google Tag Manager, Google Analytics, Sinch Core plugin, MJML (Email templating).

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is mailjet.com Safe? Security Analysis for Mailjet: Email Delivery Service for Marketing & Developer Teams

https://mailjet.com

Check if mailjet.com is a scam or legitimate. Free security scan and reviews.

TechnologyN/alarge
WordPressYoast SEO pluginBootstrapGoogle Tag ManagerGoogle Analytics+2 more
Analyzed 10/20/2025Completed 7:57:29 AM6mo ago
77
Security Score
LOW RISK

Above Technology avg (72)

10,000+

Domains scanned

500+

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Order summary

Domainmailjet.com
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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

AI Summary

Mailjet is a large, established SaaS company specializing in email marketing software and email APIs designed for marketing and developer teams. The platform offers a comprehensive suite of services including email marketing, transactional email delivery, automation, segmentation, and deliverability solutions. It targets enterprises and teams requiring reliable and GDPR-compliant email solutions. The website demonstrates a high level of digital maturity with a modern WordPress CMS, Bootstrap framework, and integration of analytics and SEO tools. The content is professionally presented, mobile-optimized, and rich in relevant business information. Security posture is strong with HTTPS and secure form usage, though explicit security policies and vulnerability disclosures are absent. WHOIS data is unavailable, which slightly reduces trust but is not uncommon for SaaS providers. Overall, the website is trustworthy, professional, and well-positioned in the email marketing technology sector.

Detected Technologies

WordPressYoast SEO pluginBootstrapGoogle Tag ManagerGoogle AnalyticsSinch Core pluginMJML (Email templating)

4 urgent findings need attention

4 high

Continuous monitoring

Keep mailjet.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

2 findings

85/100

GDPR Compliance

1 finding

95/100

NIS2 Compliance

6 findings

47/100

Email Security

3 findings

72/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Mailjet operates as a SaaS provider under the Sinch umbrella, serving over 100,000 customers globally. Its business model focuses on subscription-based email marketing and API services, catering to marketing teams and developers. The company leverages partnerships with services like Mailgun and Email on Acid to enhance its offerings. The website content and structure indicate a mature business with a strong market presence, targeting industries such as small businesses, agencies, enterprises, real estate, franchises, and MarTech. The platform supports advanced features like AI email generation and real-time collaboration, signaling innovation and competitive advantage. The absence of direct contact emails or phone numbers suggests a focus on managed customer engagement via forms and sales channels.

Security Posture Analysis

Comprehensive Security Assessment

The website enforces HTTPS and uses modern security best practices in form handling and script loading. However, it lacks explicit security headers in the provided content and does not publish a dedicated security policy or incident response information. No vulnerability disclosure or security.txt file is present, which could hinder transparency and incident management. The WHOIS data is not publicly available, which may be due to privacy protection but reduces domain registration transparency. Overall, the security posture is good but could be improved by publishing clear security policies, incident response contacts, and vulnerability disclosure mechanisms.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and cookie consent mechanism to improve privacy compliance.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Mailjet: Email Delivery Service for Marketing & Developer Teams

Description:

Design, deliver, and automate marketing & transactional emails together with built-in deliverability, GDPR compliance, and developer-ready email APIs

Key Services:
Email MarketingEmail APITransactional Email DeliveryEmail AutomationEmail ValidationsSMTP RelayDedicated IPParse APILanding PagesAI Email Generator
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
WordPressYoast SEO pluginBootstrapGoogle Tag ManagerGoogle AnalyticsSinch Core pluginMJML (Email templating)
Frameworks:
Bootstrap
Platforms:
WordPress
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

excellent

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of secure forms
  • No visible vulnerable libraries

Analytics & Tracking

Services:
Google AnalyticsGoogle Tag Manager
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Marketing Tools:
Yoast SEO
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with rich content and navigation

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

85/100
Score

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Sensitive data may be cached

LOW

Cache-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

95/100
Score

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

47/100
Score

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

72/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:spf.mailjet.com include:aspmx.pardot.com include:mailgun.org include:spf.protection.outlook.com -all
DNS Lookups:4/10
Policy:-all
DMARC Details
Policy:reject
Subdomain Policy:reject
Aggregate Reports:w8fajs9t@ag.us.dmarcian.com
Forensic Reports:w8fajs9t@fr.us.dmarcian.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

52/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 69 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

85/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

DNS Records

A Records:141.193.213.10, 141.193.213.11
Name Servers:
ns0.mljt.techDNS only
ns1.mljt.techDNS only
ns2.mljt.techDNS only
MX Records:
0: mailjet-com.mail.protection.outlook.com
SOA:Serial: 2019224319, TTL: 180s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:34ms

SPF Analysis

SPF Record:
v=spf1 include:spf.mailjet.com include:aspmx.pardot.com include:mailgun.org include:spf.protection.outlook.com -all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does mailjet.com compare?

See how mailjet.com stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on WordPress CMS with Bootstrap for responsive design and uses Yoast SEO for search engine optimization. It integrates Google Tag Manager and Google Analytics for tracking and analytics. The site loads fonts and scripts asynchronously for performance optimization. The presence of MJML indicates advanced email template rendering capabilities. The site is mobile-optimized with good accessibility features and fast loading times. No hosting provider information is explicitly found. The technical implementation is modern and robust, supporting a professional SaaS offering.
Professional PDF & Marketing Data

Download the mailjet.com report as PDF

Get the complete analysis in a shareable PDF format, delivered instantly to your email with lifetime access.

PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainmailjet.com
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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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