This page is your starting place for support resources for MailMarshal (Secure Email Gateway or SEG).

If you cannot locate the resource you need, or if you require personal assistance, contact Support.

Search Support Resources

Search Knowledge Base and Forum items for MailMarshal specific content.

Downloads

• Product Upgrade Downloads 
• Updated TextCensor and Category Scripts 
• Previous Version Downloads 
• New Rule Merge Files are no longer available. See Knowledge Base article Q10337

Documentation

• Product Documentation  
  
• Video Resources  
  
• Documentation for MailMarshal Secure Email Encryption (hosted encryption service, formerly known as SendSecure)
  
• Best Practices documents
  

Forum

Visit the Forums for informal discussion with other users about MailMarshal topics.

Rule Test

Test Email Rules including file type, file size, anti-spam, and virus scanning ruleor the Secure Email Gateway URL checking functions. s.

Submit an URL for review (include or exclude) for the MailMarshal URL checking functions.

Popular Articles from the Knowledge Base

1. How do I list applications using network ports?
2. What versions of Marshal Security products are currently supported by LevelBlue Technical Support?
3. Supported Operating Systems and Prerequisite Versions
4. Manually forcing a purge of a SQL or MSDE database
5. How do I test e-mail policy rules set up to block or filter different types of e-mail messages and attachments?

Latest Auto Updates

• SpamCensor: 4687
  March 6, 2026
• Zero Day Threats: 3007
  March 6, 2026
• AMAX (MailMarshal/SEG 7.5 and above): 762
  February 5, 2026
  (Advanced Malware and Exploit Detection)
• For version-specific updates, see the File Updates listing.
• For File Type and Unpacker update history, see KB Article Q20446.