Table of Contents
🛡️
🇩🇪 G-Data Mail Security Excellence
G-Data Mail Security offers German privacy standards with advanced AI technology. Over 99.5% spam detection rate with less than 0.01% false positives.
99.5%
Spam Detection
0.01%
False Positives
GDPR
Compliant
1. Understanding Email Threats
🚨 Current Email Threat Landscape
85% of all cyberattacks start with an email. Modern attackers use AI-generated content and social engineering for increasingly sophisticated attacks.
Types of Email Threats
🎣
Phishing
Fake emails for data theft
156% increase in 2024
🗑️
Spam
Unwanted advertising and fraud
45% of email traffic
💾
Malware
Malware in attachments
94% spread via email
🎭
Business Email Compromise
CEO fraud and fake president scams
€43B damage/year
🔒
Ransomware
Encryption trojans
Attack every 11 seconds
🕵️
Spear Phishing
Targeted attacks
95% successful compromise
Why G-Data Mail Security?
🧠 AI-Based Detection
- • DeepMail technology
- • Contextual content analysis
- • Behavioral pattern recognition
- • Real-time threat intelligence
🇩🇪 German Quality
- • GDPR-compliant data processing
- • Server location: Germany
- • German support & service
- • Compliance with German standards
2. G-Data Mail Security Installation
💡 Installation Options
G-Data Mail Security can be implemented as a gateway solution, Outlook plugin, or cloud service. Tavo-IT recommends the hybrid solution.
Deployment Scenarios
Gateway Solution
Centralized email protection
- • Exchange Server integration
- • Centralized management
- • High performance
- • Compliance features
RECOMMENDED
☁️ Cloud Hybrid
Best of both worlds
- • Cloud-based filtering
- • Local control
- • Automatic updates
- • Scalability
🖥️ Client Plugin
Outlook integration
- • Seamless Outlook integration
- • Local processing
- - Offline functionality
- • User-friendly
Gateway Installation
1. Server Preparation
# PowerShell: Prepare mail gateway server
# Check system requirements
# Check CPU and RAM
Get-WmiObject -Class Win32_Processor | Select-Object Name, NumberOfCores
Get-WmiObject -Class Win32_ComputerSystem | Select-Object TotalPhysicalMemory
# Disk space for mail queue and logs
Get-WmiObject -Class Win32_LogicalDisk | Where-Object {$_.DriveType -eq 3} |
Select-Object DeviceID, @{Name="Size(GB)";Expression={[math]::Round($_.Size/1GB,2)}},
@{Name="FreeSpace(GB)";Expression={[math]::Round($_.FreeSpace/1GB,2)}}
# Check network ports
Test-NetConnection -ComputerName "mail.yourdomain.com" -Port 25
Test-NetConnection -ComputerName "mail.yourdomain.com" -Port 587
Test-NetConnection -ComputerName "gdata-cloud.com" -Port 4432. DNS Configuration
Configure MX records for mail routing via G-Data Gateway:
# DNS records for G-Data Mail Security
# MX record (highest priority for G-Data Gateway)
yourdomain.com. IN MX 10 gdata-gateway.yourdomain.com.
# A record for gateway
gdata-gateway.yourdomain.com. IN A 192.168.1.100
# Extend SPF record
yourdomain.com. IN TXT "v=spf1 ip4:192.168.1.100 include:_spf.gdata.com ~all"
# DKIM setup for G-Data
gdata._domainkey.yourdomain.com. IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqG..."
# DMARC policy
_dmarc.yourdomain.com. IN TXT "v=DMARC1; p=quarantine; rua=mailto:dmarc@yourdomain.com"3. Spam Filter Configuration
Anti-Spam Engine Settings
🎯 Detection Level
Low (Conservative)95% detection
Medium (Recommended)99% detection
High (Aggressive)99.8% detection
⚙️ Filter Components
- ✅Bayesian Content Filter
- ✅Real-time Blacklist (RBL)
- ✅URL Reputation Analysis
- ✅Attachment Scanning
- ✅Sender Policy Framework (SPF)
Whitelist & Blacklist Management
✅ Whitelist Strategies
Sender Whitelisting:
- - Trusted business partners
- • Newsletter providers
- - Internal domains
- • Important service providers
Domain Whitelisting:
- - Group domains
- • Partner organizations
- - Authorities and agencies
- - Customer domains
# G-Data Mail Security: Whitelist Configuration
# PowerShell management commands
# Add sender to whitelist
Add-GDataWhitelistSender -Email "partner@trusted.com"
Add-GDataWhitelistSender -Email "*@yourbank.com"
# Extend domain whitelist
Add-GDataWhitelistDomain -Domain "corporate-partner.com"
Add-GDataWhitelistDomain -Domain "*.gov.com"
# Whitelist IP address
Add-GDataWhitelistIP -IPAddress "192.168.100.50"
Add-GDataWhitelistIP -IPRange "10.0.0.0/24"❌ Blacklist Management
Automatic blacklist updates via G-Data Threat Intelligence Network:
# Blacklist Configuration
# Automatic updates and manual additions
# Block spam domains
Add-GDataBlacklistDomain -Domain "spam-domain.xyz"
Add-GDataBlacklistDomain -Pattern "*.suspicious-tld"
# IP ranges from known spam sources
Add-GDataBlacklistIP -IPRange "185.220.100.0/24"
# Keyword-based filtering
Add-GDataContentFilter -Keyword "Raffle|Lottery|Millionaire"
Add-GDataContentFilter -Pattern "^d{10,}€.*won"4. Anti-Phishing Settings
🎣 G-Data DeepMail Phishing Protection
G-Data's DeepMail analyzes emails with AI technology for phishing indicators. Detects even zero-day phishing attacks with 99.7% accuracy.
URL Analysis
Real-time link checking
Content Analysis
AI-based text recognition
Sender Verification
DMARC/SPF/DKIM check
Phishing Detection Methods
🔍 URL Reputation & Link Analysis
Real-time URL Scanning:
- - Check newly registered domains
- - Resolve URL shortener
- • Typosquatting detection
- • Malicious redirects blocking
Link Protection:
- • Safe-Browsing Integration
- - Sandbox-based URL check
- - Click protection for users
- • Dynamic blacklist updates
🧠 Content Analysis & Social Engineering
AI-based detection of social engineering techniques:
# G-Data Anti-Phishing Configuration
# DeepMail content analysis settings
# Social engineering patterns
Set-GDataPhishingDetection -UrgencyKeywords @(
"immediately", "urgent", "last chance", "account locked",
"security update", "verification required"
)
# CEO fraud detection
Set-GDataBECProtection -Enabled $true -CheckExternalSenders $true
Set-GDataBECProtection -WarnOnExecutiveRequests $true
# Attachment-based phishing detection
Set-GDataAttachmentAnalysis -ScanMacros $true -CheckPasswordProtected $true
Set-GDataAttachmentAnalysis -BlockSuspiciousFiles @("*.scr", "*.pif", "*.bat")
# Domain spoofing protection
Set-GDataDomainProtection -YourDomain "yourdomain.com"
Set-GDataDomainProtection -CheckSimilarDomains $true -Threshold 85User Training Integration
🎓 Tavo-IT Security Awareness
Combining technical protection and employee training for optimal security:
Automated Alerts:
- • Phishing simulation tests
- • User feedback on suspicious emails
- • Just-in-time training
- • Reporting to IT security team
Preventive Measures:
- • Quarterly phishing tests
- • Security awareness training
- • Incident response training
- • Best practice guidelines
5. Email Encryption
Encryption Methods
🔐 S/MIME Encryption
- - Certificate-based encryption
- - End-to-end encryption
- • Digital signatures
- • Industry standard
- • Outlook integration
Recommended for:
Internal communication, partners with PKI
🌐 TLS Gateway Encryption
- - Transport encryption
- • Automatic negotiation
- • Domain-based policies
- • Fallback mechanisms
- • Compliance reporting
Recommended for:
External communication, automatic
S/MIME PKI Setup
🏛️ Certificate Authority Setup
# PowerShell: Install root CA certificate
# Windows Certificate Authority Integration
# Root CA certificate installation
Import-Certificate -FilePath "C:CertsTavoIT-RootCA.crt" -CertStoreLocation "Cert:LocalMachineRoot"📋 Encryption guidelines
Automatic encryption:
- - Keywords: "Confidential", "Secret"
- - Specific senders/recipients
- - Attachments with sensitive data
- • External emails with PII
Compliance requirements:
- • GDPR: Personal data
- - Trade secrets
- • Financial and accounting data
- - Customer data and contracts
6. E-Mail Client Integration
Microsoft Outlook Integration
📧 Outlook Plugin Installation
# G-Data Outlook Plugin Installation
# PowerShell-based deployment
# Install plugin for all users
msiexec /i "GDataOutlookPlugin.msi" /quiet /norestart ALLUSERS=1
# Registry settings for plugin configuration
$RegPath = "HKLM:SOFTWAREPoliciesG-DataOutlookPlugin"
New-Item -Path $RegPath -Force
# Enable anti-spam toolbar
Set-ItemProperty -Path $RegPath -Name "ShowSpamToolbar" -Value 1
# Enable automatic encryption for external emails
Set-ItemProperty -Path $RegPath -Name "AutoEncryptExternal" -Value 1
# Enable phishing warnings in Outlook
Set-ItemProperty -Path $RegPath -Name "PhishingWarnings" -Value 1⚙️ User Interface Customization
Toolbar Functions:
- • Spam report button
- - Encryption toggle
- - Quarantine access
- • Security status display
Automated Actions:
- • Spam marking in subject
- • Security warnings
- • Attachment scanning status
- - Encryption indicator
Mobile Device Management
📱 G-Data Mobile Security Integration
Protection for mobile email clients with G-Data Mobile Security and Exchange ActiveSync integration:
iOS/iPhone:
- • Mail app protection
- - Safe link verification
- • Attachment scanning
- • Jailbreak detection
Android:
- • Gmail/Outlook app protection
- - Anti-phishing for mobile
- • App reputation check
- • Root detection
7. Monitoring & Reporting
Dashboard & Analytics
📊 Real-time Monitoring
98.7%
Clean Emails
1.2%
Spam Blocked
0.1%
Phishing Detected
# PowerShell: G-Data Mail Security Monitoring
# Retrieve dashboard data
# Current statistics
Get-GDataMailStats -TimeRange "Last24Hours" | Format-Table
# Top spam sources
Get-GDataSpamSources -Top 10 | Select-Object IPAddress, Country, Count
# Phishing attempt details
Get-GDataPhishingAttempts -Detailed | Where-Object {$_.Timestamp -gt (Get-Date).AddDays(-1)}
# Quarantine status
Get-GDataQuarantine -Summary
Get-GDataQuarantine -ReleasePending | Measure-Object
# Performance metrics
Get-GDataPerformance -Metrics @("Throughput", "ProcessingTime", "QueueLength")📈 Compliance Reporting
Automated Reports:
- - Daily Executive Summary
- - Weekly trend analysis
- • Monthly compliance reports
- • Quarterly security reviews
Incident Reporting:
- • Phishing attack alerts
- • Malware detection logs
- • False positive tracking
- • User feedback integration
📧
🔧 Tavo-IT Mail Security Service
Professional G-Data Mail Security implementation and management. From configuration to 24/7 monitoring – everything from a single source.