--- 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 & Product Details 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. * * * Seller [Retruster Ltd](https://www.g2.com/sellers/retruster-ltd) Discussions [IronVest InboxGuard Community](https://www.g2.com/products/ironvest-inboxguard/discuss) Overview by Michael Snape (CEO at Retruster, for advanced email protection. Join Fortune 500 companies and SMBs - isn't it time you were protected?) Show More ## Value at a Glance Averages based on real user reviews. ### Perceived Cost $$$$$ [ View More Pricing Information ](https://www.g2.com/products/ironvest-inboxguard/pricing) ## Top-Rated Alternatives [ ![Proofpoint Core Email Protection](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Proofpoint Core Email Protection") Proofpoint Core Email Protection 4.6/5(601) ](https://www.g2.com/products/proofpoint-core-email-protection/reviews) [ ![Mimecast Advanced Email Security](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Mimecast Advanced Email Security") Mimecast Advanced Email Security 4.4/5(348) ](https://www.g2.com/products/mimecast-advanced-email-security/reviews) [ ![Acronis Cyber Protect Cloud](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Acronis Cyber Protect Cloud") Acronis Cyber Protect Cloud 4.7/5(1,442) ](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) [ View All Alternatives ](https://www.g2.com/products/ironvest-inboxguard/competitors/alternatives) ## User Insights Average based on 24 real user reviews. Perceived Cost $$$$$ [Log in to unlock pricing and user insights](/login) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") UF Verified User in Financial Services Small-Business (50 or fewer emp.) 9/23/2019 "Excellent experience with this product" 5/5 What do you like best about IronVest InboxGuard? I like the way the product has integrated so nicely with our email stack. Review collected by and hosted on G2.com. What do you dislike about IronVest InboxGuard? You could rely on ATP or similar, but we've found Retruster to be so much more effective. Review collected by and hosted on G2.com. Recommendations to others considering IronVest InboxGuard: Recommend taking them up on their offer of walking through the platform together Review collected by and hosted on G2.com. What problems is IronVest InboxGuard solving and how is that benefiting you? Phishing attacks primarily, also issues with spam Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") UC Verified User in Computer Software Mid-Market (51-1000 emp.) 9/14/2019 "Retruster Phishing Protection Software" 5/5 What do you like best about IronVest InboxGuard? I like the ease-of-use and how it works seamlessly with my existing set-up. Review collected by and hosted on G2.com. What do you dislike about IronVest InboxGuard? Retruster is amazing at stopping fake emails and phishing - but if you're looking for archiving specifically, this product is not for you. Review collected by and hosted on G2.com. Recommendations to others considering IronVest InboxGuard: Recommend this product. Review collected by and hosted on G2.com. What problems is IronVest InboxGuard solving and how is that benefiting you? The biggest benefit is that me and my team have eliminated the phishing threat. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Non-Profit Organization Management](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Non-Profit Organization Management") UN Verified User in Non-Profit Organization Management Mid-Market (51-1000 emp.) 9/2/2019 "Great tool" 5/5 What do you like best about IronVest InboxGuard? I like the fact that I can immediately tell if an incoming email is suspicious or not Review collected by and hosted on G2.com. What do you dislike about IronVest InboxGuard? Very little to dislike - it works great, and I use it every day Review collected by and hosted on G2.com. Recommendations to others considering IronVest InboxGuard: Recommend highly Review collected by and hosted on G2.com. What problems is IronVest InboxGuard solving and how is that benefiting you? I get tons of emails which are suspicious, and I need to know if they are genuine (and if I can action them) or not Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") AI Verified User in Information Technology and Services Small-Business (50 or fewer emp.) 2/26/2019 "Retruster for Phishing " 4/5 What do you like best about IronVest InboxGuard? -ease of use (installation esp) -power under the "hood" but not clunky for users Review collected by and hosted on G2.com. What do you dislike about IronVest InboxGuard? Admin dashboard, while powerful is not the best UI. Review collected by and hosted on G2.com. 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. Review collected by and hosted on G2.com. 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. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Seller invite ## Questions about IronVest InboxGuard? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about IronVest InboxGuard ](https://www.g2.com/products/ironvest-inboxguard/discussions/new) GU Guest User What is Retruster used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-retruster-used-for) [ View all Discussions ](https://www.g2.com/products/ironvest-inboxguard/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. [ View More Pricing Information ](https://www.g2.com/products/ironvest-inboxguard/pricing) IronVest InboxGuard Comparisons ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_b00eebb9d7957901dc4176f594f678a9/spamtitan-email-security.jpg "Product Avatar Image") SpamTitan Email Security 4.5/5(199) [ Compare Now ](https://www.g2.com/compare/ironvest-inboxguard-vs-spamtitan-email-security) ##### ##### IronVest InboxGuard Features Administration Intelligence Reporting Email Integration Suppor Maintenance Allow and block lists Security Anti-Malware/Anti-Spam Quarantine [ View More Features ](https://www.g2.com/products/ironvest-inboxguard/features) ##### Categories on G2 [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)[Email Anti-spam](https://www.g2.com/categories/email-anti-spam)[Intelligent Email Protection](https://www.g2.com/categories/intelligent-email-protection) ##### Explore More [Which platform offers AI-powered content generation?](https://www.g2.com/discussions/which-platform-offers-ai-powered-content-generation)[What is the top-rated recruiting automation platform for enterprises?](https://www.g2.com/discussions/what-is-the-top-rated-recruiting-automation-platform-for-enterprises)[What live chat tools do you actually use](https://www.g2.com/discussions/what-live-chat-tools-do-you-actually-rely-on) [What platform provides automated job posting distribution?](https://www.g2.com/discussions/what-platform-provides-automated-job-posting-distribution)[Trading Platforms](https://www.g2.com/glossary/trading-platforms-definition)[What image optimization solutions scale well for a large ecommerce catalog with millions of product images without performance degrading as the library grows?](https://www.g2.com/discussions/what-image-optimization-solutions-scale-well-for-a-large-ecommerce-catalog-with-millions-of-product-images-without-performance-degrading-as-the-library-grows) [Show MoreShow Less](javascript:void(0);)