LevelBlue MailMarshal
Advanced layered security.
Next-gen threat defense.

LevelBlue MailMarshal is an AI and machine learning powered email security platform that defends against the latest cyber threats, including phishing and ransomware, before reaching your inbox.
Eliminate threats before they breach your security.
MailMarshal provides layered protection against email-based threats, capturing all forms of threats to protect your environment and reduce the burden on your security team.
Detect what others can’t with 20+ layers of protection, stopping >99.9% of email threats
Reduce the time spent investigating benign alerts with <0.01% false positive rate
MailMarshal is continually updated to block the latest emerging threats
Pioneers in AI and Machine Learning
Trained machine learning algorithms to detect the latest threats
Curated Email Threat Intelligence
Global security consultants proactively delivering original, cutting-edge threat research
Phishing, Quishing and BEC
Proprietary threat research that detects what others can’t
Malware and Spam
Protected with zero ransomware or malware incidents for 25+ years
Flexible Deployment
Deploy on-prem, hybrid or cloud within hours
Complements M365
Use with Defender for Office to catch nearly 100% of malware, phishing, BEC and spam threats

Detect unknown phishing threats to protect your greatest assets.
LevelBlue MailMarshal is unmatched at detecting unique malicious URLs and unknown email-based threats.
- Machine learning phishing engines detect nearly 1 million unidentified threats every month
- Global email research team infuse real-time threat intelligence into MailMarshal
- 99.99% exploit capture rate, including phishing, malware, BEC, and spam
Future proof against next-gen based threats.
Take your protection to the next level and strengthen your environment beyond traditional email gateways.
- Protect against emerging threat vectors, such as quishing
- Prevent data leaks by identifying and blocking sensitive information in emails
- Block inappropriate and not safe for work content in emails to maintain a safe and professional environment


Clear guidance and preventative measures to reduce exposure.
Email remains the number one threat vector by which threat actors breach an organization’s environment. LevelBlue dashboards provide visibility and contextual insight on the threats you encounter detailing who is being targeted, the nature of the attacks, their origins, and much more.

Layer MailMarshal with M365 for greater protection.
Email continues to be the number one attack vector, with phishing and email-based threats on the rise. Layering MailMarshal on top of Microsoft 365 offers improved Microsoft email security protection, with effectiveness of:
- >99% reduced threat exposure to phishing attacks
- >99% reduced threat exposure to malware attacks
Insights into Blended Threats
Obtain real-time defense against blended threats, such as malicious URLs
Reduced Threat Exposure
Combining MailMarshal’s filters with M365’s security delivers unprecedented detection
Block Not Safe for Work Content
Block inappropriate content in emails to maintain a safe email environment
Granular Control of Email Traffic
Retain control over internal email policies and rules
Integration with Microsoft
Integrate seamlessly with our Entra ID and Azure Rights Management Services
Available in Azure Marketplace
Ability to use your committed Azure budget on purchasing MailMarshal
Advanced Phishing Scanner detects threats other tools miss.
FAQs
What is secure email?
Secure email is a message, using SMTP (Simple Mail Transfer Protocol) communication, that is free from unauthorized access, attack, loss, or interception.
How to send email securely?
Sending email securely covers two levels. First, your personal privacy must be respected by encrypting the email. Second, it’s important that your organization’s policies are respected. For example, policy controls may be used to inspect content being sent to ensure that intellectual property policies are observed.
Why is layered protection the most secure approach?
The most secure email uses a multi-layered approach to protect email in multiple ways. Gartner writes, “A layered approach is crucial due to the increasing sophistication of email threats.” in article, Guidance Framework for Building Email Security Architecture. LevelBlue MailMarshal is the most comprehensive solution in the industry to do so, in the following layers:
• IP Reputation, Marshal RBL, Spamhaus
• SpamProfiler (Cloudmark)
• Email Threats/KnownThreatsZeroDay (Proprietary to LevelBlue)
• Advanced Malware and Exploit Detection (AMAX) (Proprietary to LevelBlue)
• Sophos or other AV Engine
• SpamCensor (Proprietary to LevelBlue)
• BEC Filter/Sigs (Proprietary to LevelBlue)
• PhishFilter+URLDeep (Proprietary to LevelBlue)
• Suspect URL/BTM (Proprietary to LevelBlue)
• Sandbox
• Email Policy Settings
Can MailMarshal be leveraged by service providers?
Yes, LevelBlue MailMarshal for Service Providers is a market leading solution for managed and internet service providers that empowers you to grow your business with an end-to-end email security service – all with the flexibility and granularity that enables you to provide the exact service your customers require while maintaining full ownership of the customer.
How does LevelBlue MailMarshal complement Microsoft 365?
LevelBlue MailMarshal provides additional Microsoft email security protection, including:
• Increased malspam detection rates
• Improved Ransomware and BEC fraud detection
• Deeper malicious file attachment detection
• Inspect Azure RMS-encrypted attachments
• Retain maximum control of your email for internal processes
• Minimize software licensing costs
What is a Secure Email Gateway (SEG)?
A Secure Email Gateway (SEG) monitors incoming and outgoing email to prevent email threats and deliver authorized email. Email threats include ransomware, spam, phishing attacks, and other malware. Outgoing messages are scanned against policies to prevent sensitive data from leaving the organization or to automatically encrypt emails to protect sensitive information. An SEG can be deployed on-prem, as a hybrid solution or as a cloud service.
What are the benefits of using secure email?
Benefits of using secure email include:
• Protecting your email from compromise
• Sending and receiving email with privacy and internal policy controls respected
• Sending and receiving only appropriate email, free from SPAM and threats
• Ensuring that email is not erroneously quarantined or sent to SPAM folders
Resources
Data Sheet
LevelBlue MailMarshal Suite
Data Sheet
LevelBlue SpiderLabs Phishing Service