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Table of Contents
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Privacy and Personal Data Collection Disclosure
Introducing ScanMail and Getting Started
Introducing Trend Micro ScanMail for Microsoft Exchange
System Requirements
ScanMail with Exchange Server 2019
ScanMail with Exchange Server 2016
Cluster Installations
ScanMail Integration with Trend Micro Products
What’s New
Features and Benefits
Web-based Product Console
Installation and Support
Antivirus Features and Scan Types
Multiple Scan Filters
Informative Monitoring Tools
How ScanMail Protects the Microsoft Exchange Environment
About Uncleanable Files
ScanMail Technology
Trend Micro Scan Technology
Scan Engine Updates
The Trend Micro Pattern Files
Pattern File Numbering
How the Scan Engine Works with the Pattern File
About ActiveUpdate
Incremental Updates of the Pattern File
Using ActiveUpdate with ScanMail
IntelliScan
IntelliTrap
Trend Micro AntimalwareScanCore
About Hot Fixes, Patches, and Service Packs
Enterprise Protection Strategy
Outbreak Prevention Services
Getting Started with ScanMail
Getting Started
Understanding the Product Console
Viewing the Product Console on a Local Server
Viewing the Product Console from a Remote Server
Product Console Main View
Product Console Elements
Banner
Side Menu
Configuration Area
Getting Help While Using the ScanMail Product Console
ScanMail Registration
Online Purchase
Reseller Purchase
Registering ScanMail
ScanMail Activation
Activating ScanMail During Installation
Activating ScanMail Using the Product Console
Activation Codes
Standard Activation Code
Suite Activation Code
Suite Activation Code with Additional Features
Activation Code Comparison
Reactivating ScanMail
About ScanMail Updates
Updating ScanMail - Prerequisite Tasks
Configuring Proxy Settings
Configuring Manual Updates
Configuring Scheduled Update
Configuring the Download Source
Office 365 Protection with Trend Micro Cloud App Security
Establishing and Maintaining Security for Your Exchange Servers
Establishing a Security Baseline
Maintaining Security
Managing Outbreak Situations
Managing ScanMail
Understanding Real-time Monitor
Viewing Real-time Monitor for a Remote Server
Understanding the Server Management Console
Activating Server Management
Using the Server Management Console
Viewing Servers from the Product Console
Using Server Management to Replicate Configurations
Starting and Stopping the Services
Understanding ScanMail Icons
Configuring Scans and Scan Filters
Understanding Smart Protection
About Trend Micro Smart Protection
The Need for a New Solution
Smart Protection Services
File Reputation Services
Web Reputation Services
Smart Protection Sources
Trend Micro Smart Protection Network
Smart Protection Server
Smart Protection Sources Compared
Smart Protection Pattern Files
Configuring Local Sources
Scan Service Settings
Configuring Scans
About Scans
Real-time Scan
Manual Scan
Scheduled Scan
Scheduled Scan List
About Manual Scans and Scheduled Scans on Cluster Servers
Manual and Scheduled Scan Settings
Compressed File Handling
Compression Types
Blocking All Compressed Attachments
Security Risk Scan Compressed File Restrictions
About ScanMail Actions
Scan Actions by Scan Settings
Advanced Scan Action Options
Notifications
Notification Settings
Configuring Security Risk Scans
About Security Risk Scans
ScanMail Scan Hierarchy
About Advanced Threat Scan Engine
About Predictive Machine Learning
Security Risk Scan Actions
Using Customized Scan Actions
Enabling Real-time Security Risk Scan
Configuring Security Risk Scan Targets
Configuring Security Risk Scan Actions
Configuring Macro Scanning
Configuring Security Risk Scan Notifications
Configuring Attachment Blocking
About Attachment Blocking
Enabling Real-time Attachment Blocking
About the Attachment Blocking Global Policy
Configuring Attachment Blocking Targets
Configuring Attachment Blocking Actions
Configuring Attachment Blocking Notifications
Adding an Exception to the Attachment Blocking Global Policy
Editing an Attachment Blocking Exception
Adding a Customized Policy
Editing a Customized Policy
Configuring Content Filtering
About Content Filtering
Active Directory Integrated Policies
Data Leakage Prevention
Enabling Real-time Content Filtering
Global Settings
Configuring Content Filtering Policies
Configuring the Senders and Recipients List (Match any or apply to all)
Configuring Content Filtering Targets
Imported Keyword Lists
Configuring Content Filtering Actions
Configuring Content Filtering Notifications
Enabling a Content Filtering Policy
Configuring a Content Filtering Exception
Editing a Content Filtering Policy
Configuring Data Loss Prevention
About Data Loss Prevention (DLP)
Data Identifier Types
Expressions
Predefined Expressions
Customized Expressions
Criteria for custom expressions
Adding and Editing Expressions
Importing Expressions
Keywords
Predefined Keyword Lists
Custom keyword lists
Custom keyword list criteria
Adding and Editing Keyword Lists
Importing Keyword Lists
File Attributes
Predefined File Attributes
Customized File Attributes
Adding and Editing File Attributes
Importing File Attributes
About Data Loss Prevention Templates
Predefined DLP Templates
Defining a Data Loss Prevention Template
Deleting a Data Loss Prevention Template
Importing a Data Loss Prevention Template
Exporting a Data Loss Prevention Template
About Data Loss Prevention Policies
Enabling Real-time Data Loss Prevention
Global Settings
Configuring a Data Loss Prevention Policy
Selecting Accounts
Configuring DLP Targets
Configuring DLP Actions
Configuring DLP Notifications
Enabling a DLP Policy
Configuring Spam Prevention
About Spam Prevention
Spam Folder Configuration
About Email Reputation
Trend Micro Email Reputation Standard
Trend Micro Email Reputation Advanced
Enabling Email Reputation
Configuring Email Reputation Targets
Configuring Email Reputation Actions
About Content Scanning
Spam Engine and Spam Pattern Files
End User Quarantine
Approved and Blocked Sender Lists
Spam Filter
New Spam Sources
Enabling Content Scanning
Configuring Content Scanning Targets
Configuring Content Scanning Actions
Configuring Advanced Spam Prevention
About Advanced Spam Prevention
About Business Email Compromise
About Writing Style Verification in ScanMail
Configuring Advanced Spam Prevention Settings
Enabling Advanced Spam Prevention
Configuring Advanced Spam Prevention Scan Targets
Configuring Advanced Spam Prevention Scan Actions
Configuring Advanced Spam Prevention Scan Notifications
Configuring Writing Style Training Settings
Performing Writing Style Manual Training
Configuring Writing Style Regular Training Settings
Configuring Writing Style Verification Settings
Enabling Writing Style Verification
Configuring Writing Style Verification Settings
Configuring Web Reputation
About Web Reputation Services
Command & Control Contact Alert Services
Configuring the Web Reputation Scan Service
Enabling Web Reputation
Configuring Web Reputation Targets
Configuring Web Reputation Actions
Configuring Web Reputation Notifications
Configuring URL Time-of-Click Protection
About URL Time-of-Click Protection
Enabling URL Time-of-Click Protection
Configuring URL Time-of-Click Protection
Configuring Search & Destroy
About Search & Destroy
Configuring Search & Destroy Access Accounts
Activating Search & Destroy
About Mailbox Searches
Syntax Used for Keyword Strings
Mailbox Search Options
Configuring a Mailbox Search
Modifying a Mailbox Search
Deleting a Mailbox Search
Viewing Mailbox Search Results
Configuring Search & Destroy Settings
Viewing Search & Destroy Event Logs
Troubleshooting Search & Destroy
Configuring Virtual Analyzer
About Virtual Analyzer
Configuring Virtual Analyzer Settings
Managing ScanMail
Managing the Quarantine Area
About the Quarantine
Configuring the Quarantine Folder/Directory
Performing a Quarantine Query
Scheduling Automatic Quarantine Maintenance
Manually Performing Quarantine Maintenance
Resending Quarantined Messages
Monitoring ScanMail
Viewing the Summary Screen
Summary: System
Summary: Security Risks
Summary: Spam
Summary: Ransomware
About Alerts
System Events
Outbreak Alerts
Alert Notification Settings
About Reports
One-time Reports
Generating One-time Reports
Scheduled Reports
Generating Scheduled Reports
Report Maintenance
About Logs
Types of Logs
Querying Logs
Log Maintenance
Performing Manual Log Maintenance
Performing Scheduled Log Maintenance
Configuring Log Forwarding Settings
Performing Administrative Tasks
Configuring Proxy Settings
Configuring Global Approved List
Configuring Mail Settings
Global Notification Settings
Configuring Global Notification Settings
Configuring Spam Maintenance
About Access Control
Access Control Permissions
Enabling Access Control
Configuring Access Control
About Special Groups
Configuring Special Groups
About Server Groups
Configuring Server Groups
About Internal Domains
Configuring Internal Domains
Product License
About Trend Micro Apex Central
About Trend Micro Management Communication Protocol
Using ScanMail with Apex Central
Registering to Apex Central or Control Manager
Unregistering ScanMail from Apex Central
Using ScanMail with Deep Discovery Director
Configuring FIPS Settings
Using Trend Support / System Debugger
Integrating with Cloud App Security
About Cloud App Security Integration Feature
Prerequisites for Cloud App Security Integration
Registering a ScanMail Server to Cloud App Security
Viewing Policy Violation Logs on the Cloud App Security Management Console
Managing Quarantined Email Messages on the Cloud App Security Management Console
Unregistering a ScanMail Server from Cloud App Security
Deleting the Registration Token
Integrating with Trend Vision One
Integrating ScanMail with Trend Vision One
Unregistering ScanMail from Trend Vision One
Getting Help
Understanding Security Risks
Understanding the Terms
About Internet Security Risks
Viruses/Malware
Virus/Malware Writers
Malware Naming
Compressed Files
Joke Programs
Macro Viruses/Malware
Mass-Mailing Attacks
Trojan Horse Programs
Worms
Zip of Death
About Spyware/Grayware
Potential Risks and Threats
How Spyware/Grayware Gets into your Network
Encoding Types
Multipurpose Internet Mail Extensions (MIME) Types
True File Type
Disease Vector
Phish
Frequently Asked Questions
Scanning and Updating
Do I have the latest pattern file or Service Pack?
Locating the ScanMail Version
Where can I find the latest patches for updating ScanMail?
Expressions and Keywords
What are regular expressions?
How do I use keywords?
How do I use operators with keywords?
File Handling
How do I handle large files?
What is a compression ratio?
How do I calculate the size of a decompressed file?
Quarantine and Log Management
Are UNC paths supported for quarantine and backup folders?
Are mapped network drives supported for quarantine and backup folders?
How does ScanMail display the "Scan Time" or "Delivery Time" for remote servers?
How does ScanMail generate centralized report data for multiple servers?
Does the ScanMail web service port need to be added to the firewall port exception list before generating centralized logs or quarantine queries?
Can I re-create the End User Quarantine spam folder after deleting it?
How to cleanup ScanMail email messages that were temporarily quarantined for advanced threat analysis?
Logs, Quarantine Records, and Server Groups
How do I increase number of query results for each remote server?
How do I update newly installed ScanMail servers to the Server Groups list?
Logging On and Registration
Where can I find my Activation Code and Registration Key?
What if the remote SQL server database account password is changed?
What if the remote Windows authentication database account password is changed?
Security Threats
What is spyware/grayware?
What are phish attacks?
What is the EICAR test virus?
What are false positives?
Are some files dangerous?
How do I send Trend Micro suspected Internet threats?
How do I send Trend Micro detected viruses?
Virtual Analyzer
What are different working modes in Virtual Analyzer and which one should I choose?
If ScanMail is integrated with Virtual Analyzer, can I install the latest version of ScanMail along with an older version?
Troubleshooting
Updating the Scan Engine Manually
Updating the Pattern File (lpt$vpn.xxx) Manually
Known Issues
Technical support
Troubleshooting resources
Using the support portal
Threat encyclopedia
Contacting Trend Micro
Speeding up the support call
Sending suspicious content to Trend Micro
Email Reputation Services
File Reputation Services
Web Reputation Services
Other resources
Download center
ScanMail Windows Event Log Codes
Best Practices
Set Up Account for Installation with Microsoft Windows Authentication
Attachment Blocking Policies
Exception Rule Replication
Sample Usage Scenarios
Content Filtering Active Directory Integrated Policies
Content Filtering Policy Replication
Data Loss Prevention Policies
Data Identifiers and Template Creation
Data Loss Prevention Policy Replication
Data Loss Prevention: Hidden Keys
Optimizing Web Reputation
Troubleshooting Web Reputation Performance Issues
Search & Destroy Best Practices
Search & Destroy Prerequisites
Using Search & Destroy in Mixed Exchange Environments
Preparing Exchange Server 2016/2019 for Mixed Exchange Environments
Configuring Search & Destroy in a Multiple Data Center Environment
Optimizing Search Criteria
Optimizing Mailbox Searches
Deleting Mailbox Searches
Exchange Management Shell Commands
Service Account Settings
Discovery Mailbox Settings
Backend Search Tasks
Virtual Analyzer - Integration Pre-requisites
Internal Domains
Recommended Settings
Configuring Advanced Spam Prevention
This chapter explains how to configure Advanced Spam Prevention to protect your Exchange environment.
Topics include:
About Advanced Spam Prevention
About Business Email Compromise
About Writing Style Verification in ScanMail
Configuring Advanced Spam Prevention Settings
Configuring Writing Style Training Settings
Configuring Writing Style Verification Settings
Table of Contents
Privacy and Personal Data Collection Disclosure
Introducing ScanMail and Getting Started
Introducing Trend Micro ScanMail for Microsoft Exchange
System Requirements
ScanMail with Exchange Server 2019
ScanMail with Exchange Server 2016
Cluster Installations
ScanMail Integration with Trend Micro Products
What’s New
Features and Benefits
Web-based Product Console
Installation and Support
Antivirus Features and Scan Types
Multiple Scan Filters
Informative Monitoring Tools
How ScanMail Protects the Microsoft Exchange Environment
About Uncleanable Files
ScanMail Technology
Trend Micro Scan Technology
Scan Engine Updates
The Trend Micro Pattern Files
Pattern File Numbering
How the Scan Engine Works with the Pattern File
About ActiveUpdate
Incremental Updates of the Pattern File
Using ActiveUpdate with ScanMail
IntelliScan
IntelliTrap
Trend Micro AntimalwareScanCore
About Hot Fixes, Patches, and Service Packs
Enterprise Protection Strategy
Outbreak Prevention Services
Getting Started with ScanMail
Getting Started
Understanding the Product Console
Viewing the Product Console on a Local Server
Viewing the Product Console from a Remote Server
Product Console Main View
Product Console Elements
Banner
Side Menu
Configuration Area
Getting Help While Using the ScanMail Product Console
ScanMail Registration
Online Purchase
Reseller Purchase
Registering ScanMail
ScanMail Activation
Activating ScanMail During Installation
Activating ScanMail Using the Product Console
Activation Codes
Standard Activation Code
Suite Activation Code
Suite Activation Code with Additional Features
Activation Code Comparison
Reactivating ScanMail
About ScanMail Updates
Updating ScanMail - Prerequisite Tasks
Configuring Proxy Settings
Configuring Manual Updates
Configuring Scheduled Update
Configuring the Download Source
Office 365 Protection with Trend Micro Cloud App Security
Establishing and Maintaining Security for Your Exchange Servers
Establishing a Security Baseline
Maintaining Security
Managing Outbreak Situations
Managing ScanMail
Understanding Real-time Monitor
Viewing Real-time Monitor for a Remote Server
Understanding the Server Management Console
Activating Server Management
Using the Server Management Console
Viewing Servers from the Product Console
Using Server Management to Replicate Configurations
Starting and Stopping the Services
Understanding ScanMail Icons
Configuring Scans and Scan Filters
Understanding Smart Protection
About Trend Micro Smart Protection
The Need for a New Solution
Smart Protection Services
File Reputation Services
Web Reputation Services
Smart Protection Sources
Trend Micro Smart Protection Network
Smart Protection Server
Smart Protection Sources Compared
Smart Protection Pattern Files
Configuring Local Sources
Scan Service Settings
Configuring Scans
About Scans
Real-time Scan
Manual Scan
Scheduled Scan
Scheduled Scan List
About Manual Scans and Scheduled Scans on Cluster Servers
Manual and Scheduled Scan Settings
Compressed File Handling
Compression Types
Blocking All Compressed Attachments
Security Risk Scan Compressed File Restrictions
About ScanMail Actions
Scan Actions by Scan Settings
Advanced Scan Action Options
Notifications
Notification Settings
Configuring Security Risk Scans
About Security Risk Scans
ScanMail Scan Hierarchy
About Advanced Threat Scan Engine
About Predictive Machine Learning
Security Risk Scan Actions
Using Customized Scan Actions
Enabling Real-time Security Risk Scan
Configuring Security Risk Scan Targets
Configuring Security Risk Scan Actions
Configuring Macro Scanning
Configuring Security Risk Scan Notifications
Configuring Attachment Blocking
About Attachment Blocking
Enabling Real-time Attachment Blocking
About the Attachment Blocking Global Policy
Configuring Attachment Blocking Targets
Configuring Attachment Blocking Actions
Configuring Attachment Blocking Notifications
Adding an Exception to the Attachment Blocking Global Policy
Editing an Attachment Blocking Exception
Adding a Customized Policy
Editing a Customized Policy
Configuring Content Filtering
About Content Filtering
Active Directory Integrated Policies
Data Leakage Prevention
Enabling Real-time Content Filtering
Global Settings
Configuring Content Filtering Policies
Configuring the Senders and Recipients List (Match any or apply to all)
Configuring Content Filtering Targets
Imported Keyword Lists
Configuring Content Filtering Actions
Configuring Content Filtering Notifications
Enabling a Content Filtering Policy
Configuring a Content Filtering Exception
Editing a Content Filtering Policy
Configuring Data Loss Prevention
About Data Loss Prevention (DLP)
Data Identifier Types
Expressions
Predefined Expressions
Customized Expressions
Criteria for custom expressions
Adding and Editing Expressions
Importing Expressions
Keywords
Predefined Keyword Lists
Custom keyword lists
Custom keyword list criteria
Adding and Editing Keyword Lists
Importing Keyword Lists
File Attributes
Predefined File Attributes
Customized File Attributes
Adding and Editing File Attributes
Importing File Attributes
About Data Loss Prevention Templates
Predefined DLP Templates
Defining a Data Loss Prevention Template
Deleting a Data Loss Prevention Template
Importing a Data Loss Prevention Template
Exporting a Data Loss Prevention Template
About Data Loss Prevention Policies
Enabling Real-time Data Loss Prevention
Global Settings
Configuring a Data Loss Prevention Policy
Selecting Accounts
Configuring DLP Targets
Configuring DLP Actions
Configuring DLP Notifications
Enabling a DLP Policy
Configuring Spam Prevention
About Spam Prevention
Spam Folder Configuration
About Email Reputation
Trend Micro Email Reputation Standard
Trend Micro Email Reputation Advanced
Enabling Email Reputation
Configuring Email Reputation Targets
Configuring Email Reputation Actions
About Content Scanning
Spam Engine and Spam Pattern Files
End User Quarantine
Approved and Blocked Sender Lists
Spam Filter
New Spam Sources
Enabling Content Scanning
Configuring Content Scanning Targets
Configuring Content Scanning Actions
Configuring Advanced Spam Prevention
About Advanced Spam Prevention
About Business Email Compromise
About Writing Style Verification in ScanMail
Configuring Advanced Spam Prevention Settings
Enabling Advanced Spam Prevention
Configuring Advanced Spam Prevention Scan Targets
Configuring Advanced Spam Prevention Scan Actions
Configuring Advanced Spam Prevention Scan Notifications
Configuring Writing Style Training Settings
Performing Writing Style Manual Training
Configuring Writing Style Regular Training Settings
Configuring Writing Style Verification Settings
Enabling Writing Style Verification
Configuring Writing Style Verification Settings
Configuring Web Reputation
About Web Reputation Services
Command & Control Contact Alert Services
Configuring the Web Reputation Scan Service
Enabling Web Reputation
Configuring Web Reputation Targets
Configuring Web Reputation Actions
Configuring Web Reputation Notifications
Configuring URL Time-of-Click Protection
About URL Time-of-Click Protection
Enabling URL Time-of-Click Protection
Configuring URL Time-of-Click Protection
Configuring Search & Destroy
About Search & Destroy
Configuring Search & Destroy Access Accounts
Activating Search & Destroy
About Mailbox Searches
Syntax Used for Keyword Strings
Mailbox Search Options
Configuring a Mailbox Search
Modifying a Mailbox Search
Deleting a Mailbox Search
Viewing Mailbox Search Results
Configuring Search & Destroy Settings
Viewing Search & Destroy Event Logs
Troubleshooting Search & Destroy
Configuring Virtual Analyzer
About Virtual Analyzer
Configuring Virtual Analyzer Settings
Managing ScanMail
Managing the Quarantine Area
About the Quarantine
Configuring the Quarantine Folder/Directory
Performing a Quarantine Query
Scheduling Automatic Quarantine Maintenance
Manually Performing Quarantine Maintenance
Resending Quarantined Messages
Monitoring ScanMail
Viewing the Summary Screen
Summary: System
Summary: Security Risks
Summary: Spam
Summary: Ransomware
About Alerts
System Events
Outbreak Alerts
Alert Notification Settings
About Reports
One-time Reports
Generating One-time Reports
Scheduled Reports
Generating Scheduled Reports
Report Maintenance
About Logs
Types of Logs
Querying Logs
Log Maintenance
Performing Manual Log Maintenance
Performing Scheduled Log Maintenance
Configuring Log Forwarding Settings
Performing Administrative Tasks
Configuring Proxy Settings
Configuring Global Approved List
Configuring Mail Settings
Global Notification Settings
Configuring Global Notification Settings
Configuring Spam Maintenance
About Access Control
Access Control Permissions
Enabling Access Control
Configuring Access Control
About Special Groups
Configuring Special Groups
About Server Groups
Configuring Server Groups
About Internal Domains
Configuring Internal Domains
Product License
About Trend Micro Apex Central
About Trend Micro Management Communication Protocol
Using ScanMail with Apex Central
Registering to Apex Central or Control Manager
Unregistering ScanMail from Apex Central
Using ScanMail with Deep Discovery Director
Configuring FIPS Settings
Using Trend Support / System Debugger
Integrating with Cloud App Security
About Cloud App Security Integration Feature
Prerequisites for Cloud App Security Integration
Registering a ScanMail Server to Cloud App Security
Viewing Policy Violation Logs on the Cloud App Security Management Console
Managing Quarantined Email Messages on the Cloud App Security Management Console
Unregistering a ScanMail Server from Cloud App Security
Deleting the Registration Token
Integrating with Trend Vision One
Integrating ScanMail with Trend Vision One
Unregistering ScanMail from Trend Vision One
Getting Help
Understanding Security Risks
Understanding the Terms
About Internet Security Risks
Viruses/Malware
Virus/Malware Writers
Malware Naming
Compressed Files
Joke Programs
Macro Viruses/Malware
Mass-Mailing Attacks
Trojan Horse Programs
Worms
Zip of Death
About Spyware/Grayware
Potential Risks and Threats
How Spyware/Grayware Gets into your Network
Encoding Types
Multipurpose Internet Mail Extensions (MIME) Types
True File Type
Disease Vector
Phish
Frequently Asked Questions
Scanning and Updating
Do I have the latest pattern file or Service Pack?
Locating the ScanMail Version
Where can I find the latest patches for updating ScanMail?
Expressions and Keywords
What are regular expressions?
How do I use keywords?
How do I use operators with keywords?
File Handling
How do I handle large files?
What is a compression ratio?
How do I calculate the size of a decompressed file?
Quarantine and Log Management
Are UNC paths supported for quarantine and backup folders?
Are mapped network drives supported for quarantine and backup folders?
How does ScanMail display the "Scan Time" or "Delivery Time" for remote servers?
How does ScanMail generate centralized report data for multiple servers?
Does the ScanMail web service port need to be added to the firewall port exception list before generating centralized logs or quarantine queries?
Can I re-create the End User Quarantine spam folder after deleting it?
How to cleanup ScanMail email messages that were temporarily quarantined for advanced threat analysis?
Logs, Quarantine Records, and Server Groups
How do I increase number of query results for each remote server?
How do I update newly installed ScanMail servers to the Server Groups list?
Logging On and Registration
Where can I find my Activation Code and Registration Key?
What if the remote SQL server database account password is changed?
What if the remote Windows authentication database account password is changed?
Security Threats
What is spyware/grayware?
What are phish attacks?
What is the EICAR test virus?
What are false positives?
Are some files dangerous?
How do I send Trend Micro suspected Internet threats?
How do I send Trend Micro detected viruses?
Virtual Analyzer
What are different working modes in Virtual Analyzer and which one should I choose?
If ScanMail is integrated with Virtual Analyzer, can I install the latest version of ScanMail along with an older version?
Troubleshooting
Updating the Scan Engine Manually
Updating the Pattern File (lpt$vpn.xxx) Manually
Known Issues
Technical support
Troubleshooting resources
Using the support portal
Threat encyclopedia
Contacting Trend Micro
Speeding up the support call
Sending suspicious content to Trend Micro
Email Reputation Services
File Reputation Services
Web Reputation Services
Other resources
Download center
ScanMail Windows Event Log Codes
Best Practices
Set Up Account for Installation with Microsoft Windows Authentication
Attachment Blocking Policies
Exception Rule Replication
Sample Usage Scenarios
Content Filtering Active Directory Integrated Policies
Content Filtering Policy Replication
Data Loss Prevention Policies
Data Identifiers and Template Creation
Data Loss Prevention Policy Replication
Data Loss Prevention: Hidden Keys
Optimizing Web Reputation
Troubleshooting Web Reputation Performance Issues
Search & Destroy Best Practices
Search & Destroy Prerequisites
Using Search & Destroy in Mixed Exchange Environments
Preparing Exchange Server 2016/2019 for Mixed Exchange Environments
Configuring Search & Destroy in a Multiple Data Center Environment
Optimizing Search Criteria
Optimizing Mailbox Searches
Deleting Mailbox Searches
Exchange Management Shell Commands
Service Account Settings
Discovery Mailbox Settings
Backend Search Tasks
Virtual Analyzer - Integration Pre-requisites
Internal Domains
Recommended Settings