---
title: IronVest InboxGuard Reviews
meta_title: 'IronVest InboxGuard Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter 24 reviews by the users' company size, role or industry to
  find out how IronVest InboxGuard works for a business like yours.
aggregate_rating:
  rating_value: 4.8
  review_count: 24
  scale: '5'
date_modified: '2026-08-07'
parent_category:
  name: Email Security
  url: https://www.g2.com/categories/email-security
---


# IronVest InboxGuard Reviews
**Vendor:** Retruster Ltd  
**Category:** [Intelligent Email Protection Software](https://www.g2.com/categories/intelligent-email-protection)  
**Average Rating:** 4.8/5.0  
**Total Reviews:** 24
## About IronVest InboxGuard
IronVest InboxGuard, previously "Retruster", is the only AI-powered anti-phishing solution that delivers security training both contextually and in real-time on actual phishing emails that your organization might receive. We layer our solution with an immersive security training program that offers consistently updated, relevant, and highly engaging content that is specifically designed to change employee behavior and promote a strong security culture throughout your enterprise.





## IronVest InboxGuard Discussions
  - [What is Retruster used for?](https://www.g2.com/discussions/what-is-retruster-used-for)

- [View IronVest InboxGuard pricing details and edition comparison](https://www.g2.com/products/ironvest-inboxguard/reviews?page=3&section=pricing&secure%5Bexpires_at%5D=2026-08-12+11%3A55%3A40+-0500&secure%5Bsession_id%5D=16f69163-6c5a-4599-ab8d-4bf3e205e786&secure%5Btoken%5D=f9e002c98a2923850fe88bcdbd0ea9fca530a5800d22911fb76a45c4fd937909&format=llm_user)

## IronVest InboxGuard Features
**Additional Functionality**
- Phishing Protection
- Threat Response
- Domain Check
- Security Auditing
- AI/Machine Learning
- Third-Party Integrations
- AI Copilot
- Reporting/Analytics
- Anomaly/Malware Detection
- SURLB/URIBL Filtering
- Activity Dashboard
- Scheduled/Automated Reports
- For MSPs
- Whitelisting/Blacklisting
- Fraud Detection
- Spam Blocker
- Spam Quarantine
- API
- Data Leak Prevention
- Encryption
- Audit Trail
- Real-Time Monitoring
- Spam Analysis
- Policy Management
- Alerts/Escalation
- Email Management
- Vulnerability Scanning
- Generative AI
- Threat Protection
- Email Attachment Protection
- Email Filtering
- Two-Factor Authentication

**Administration**
- Intelligence Reporting
- Email Integration Suppor
- Access Management
- Data Loss Prevention

**Administration**
- Compliance
- Intelligence Reporting
- Email Clients
- Role-Based Rules

**Agentic AI - Email Anti-spam Features**
- Autonomous Task Execution
- Proactive Assistance

**Additional Functionality**
- Phishing Protection
- Data Recovery
- Archiving & Retention
- Backup and Recovery
- Policy Management
- Email Management
- Data Loss Prevention
- Single Sign On
- Data Storage Management
- Fraud Detection
- Email Routing
- Data Verification
- Compliance Management
- Filtering
- Search/Filter
- SURLB/URIBL Filtering
- Security Auditing
- Data Synchronization
- Anti Virus
- Risk Assessment
- Greylisting
- Audit Trail
- Reporting/Analytics
- Allow/Block List
- Vulnerability Scanning
- Active Directory Integration
- Compression
- Email Tracking
- Encryption
- Anti Spam
- Disaster Recovery
- AI Copilot
- Tagging
- Secure Data Storage
- Activity Tracking
- Spam Blocker
- Microsoft Outlook Integration
- Spam Analysis
- API
- Categorization/Grouping
- Event Tracking
- Inbox Management
- Spam Detection
- Authentication
- Third-Party Integrations
- Reporting & Statistics
- Spam Quarantine
- SSL Security
- Generative AI
- Data Retention Management
- Access Controls/Permissions
- Monitoring

**Maintenance**
- Auditing
- Allow and block lists
- Compliance
- Archiving

**Detection**
- Data Exfiltration Detection
- Activity Monitoring
- Real-Time Detection

**Security**
- Anti-Malware/Anti-Spam
- Encryption
- Quarantine
- Advanced Threat Protection (ATP)
- Anti-Phishing
- Account takeover prevention

**Protection**
- Targeted Attack Prevention
- Policy Enforcement
- Spam Filtering

**Agentic AI - Intelligent Email Protection**
- Autonomous Task Execution
- Adaptive Learning

## Top IronVest InboxGuard Alternatives
  - [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) - 4.6/5.0 (589 reviews)
  - [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) - 4.4/5.0 (340 reviews)
  - [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) - 4.7/5.0 (1,375 reviews)