--- 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 Reviews ### 1. Protection and security is the main function. **Rating:** 4.0/5.0 stars **Reviewed by:** Fabrizio L. | Consulting Specialist, Small-Business (50 or fewer emp.) **Reviewed Date:** December 21, 2020 **What do you like best about IronVest InboxGuard?** It is the safest and most reliable way that we currently have in the organization to efficiently protect ourselves and stop fraud or phishing by email. It is very easy to install, it does not need much effort since the initial configuration is completed with a few clicks including the implementation of instant antiphishing for all users with the provision of the latest AI technology and machine learning, with which we can guarantee that phishing and fake emails are not penetrated, preventing the entry of more than 90% of cyber threats, which are generally sent by email. **What do you dislike about IronVest InboxGuard?** We can detect all fraudulent emails only by detecting them but we cannot keep them without them being a threat, only as an archiving method, thus allowing, having the possibility of having a broad view of all those who try to penetrate, it is certainly not an action very important since our important need is to find them without causing us any type of damage, that this is done in an optimal and efficient way. **Recommendations to others considering IronVest InboxGuard:** For the entire work team that wishes to implement it, it works like powerful software avoiding taking any possible risk, implementing the necessary security with which we can work quietly without receiving phishing or fraudulent emails, detecting them from the most common to the best implemented. It is an extremely optimal platform when it comes to identifying emails of this type, in any inbox with the possibility of automation. **What problems is IronVest InboxGuard solving and how is that benefiting you?** We implement the latest AI technology to prevent phishing and fake emails from reaching us by avoiding falling for them. Cyber ​​defenses are now stronger with the actions that this platform allows us to exercise, allowing us to completely avoid all types of fraud, preventing them from meeting their objectives, which are simply to penetrate the business system without being able to make fun of the highly functional anti-shiping tools. especially with email security management. ### 2. Retruster Constant notifications and security mail. **Rating:** 4.0/5.0 stars **Reviewed by:** Araujo B. | Business Manager, Small-Business (50 or fewer emp.) **Reviewed Date:** October 20, 2020 **What do you like best about IronVest InboxGuard?** We don't have to worry about scams or phishing through the emails we receive. It is always active in the background and notifications let us know when something irregular happens with our mail or when it is a threat. It is incredibly easy to configure and add with our other applications, it works as an additional layer of protection that keeps our users safe from any scam or fraud. Customer service is wonderful. **What do you dislike about IronVest InboxGuard?** For us it is perfect, just what we were looking for. We have nothing bad to say regarding this software. His work is impeccable and it delivers on everything it promises. The support they offer is all we have needed to solve the minimum inconvenience we have had. **Recommendations to others considering IronVest InboxGuard:** We consider Retruster to be one of the best options for protection against scams and phishing. It is one of those products that it is basically impossible not to recommend. In all the time we have used it it has never had any fault, it is excellent. From the beginning we loved the service but now that many features have been improved and others added, we have no doubt that we are using the appropriate software. Totally recommended. **What problems is IronVest InboxGuard solving and how is that benefiting you?** The experience that Retruster has given us is excellent, we can have full confidence that our accounts and data are protected. The team no longer get caught by these emails of dubious origin or access links that they should not. It is totally gratifying to be sure that no one in our organization will fall for these scams. We have saved ourselves several conflicts and possible theft of information. ### 3. Retruster for Phishing **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** February 26, 2019 **What do you like best about IronVest InboxGuard?** -ease of use (installation esp) -power under the "hood" but not clunky for users **What do you dislike about IronVest InboxGuard?** Admin dashboard, while powerful is not the best UI. **Recommendations to others considering IronVest InboxGuard:** You simply dont know how much you are at risk until you see and Retruster does this immediately upon implementation. **What problems is IronVest InboxGuard solving and how is that benefiting you?** No control over my users and them exposing our organization to daily threats (unintentionally). This gives an "IT" level of sophistication and protection but with a very simple UI for the average user in my organization. Their training and customer success adds to the vigilance and maximizing the use of the platform. ## 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?filters%5Bnps_score%5D%5B%5D=4§ion=pricing&secure%5Bexpires_at%5D=2026-08-14+13%3A38%3A15+-0500&secure%5Bsession_id%5D=c2741000-27de-4507-bcf7-6856fda23915&secure%5Btoken%5D=4d50ca1a9f2f29d44eead27a1caa56a5c92ee077a3ddfc0e8d990cb87006c2af&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 (341 reviews) - [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) - 4.7/5.0 (1,374 reviews)