--- title: Retarus E-Mail Security Reviews meta_title: 'Retarus E-Mail Security Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how Retarus E-Mail Security works for a business like yours. aggregate_rating: rating_value: 3.8 review_count: 3 scale: '5' date_modified: '2025-12-16' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # Retarus E-Mail Security Reviews **Vendor:** Retarus **Category:** [Email Software](https://www.g2.com/categories/email) **Average Rating:** 3.8/5.0 **Total Reviews:** 3 ## About Retarus E-Mail Security Retarus E-Mail Security is a cloud-based enterprise messaging platform delivers seamless and secure email, fax, SMS and EDI services for businesses. ## Retarus E-Mail Security Reviews ### 1. Good enough! **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Manufacturing | Enterprise (> 1000 emp.) **Reviewed Date:** June 09, 2024 **What do you like best about Retarus E-Mail Security?** Retarus email security is one of the best email security tool. **What do you dislike about Retarus E-Mail Security?** Slow. User Interface boring. Lacks modern features. **What problems is Retarus E-Mail Security solving and how is that benefiting you?** Helping fight against Phishing. ### 2. Very secure. **Rating:** 4.0/5.0 stars **Reviewed by:** Jihad A. | Manager, Enterprise (> 1000 emp.) **Reviewed Date:** September 21, 2019 **What do you like best about Retarus E-Mail Security?** That when you send emails through Retarus, you know that you're emails are going to be safe, and secure. **What do you dislike about Retarus E-Mail Security?** That it is partially slow in recieving and sending emails. **Recommendations to others considering Retarus E-Mail Security:** If you want your communication between your work mates safe and secure, then use Retarus E-Mail Security. **What problems is Retarus E-Mail Security solving and how is that benefiting you?** I had no problems except the slowness in communication. ### 3. Best email security **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Mid-Market (51-1000 emp.) **Reviewed Date:** September 21, 2019 **What do you like best about Retarus E-Mail Security?** Retarus email security provides you the best security, integrity and confidence. **What do you dislike about Retarus E-Mail Security?** Sometime it takes extra caution and care which can cause delay in process. **Recommendations to others considering Retarus E-Mail Security:** Best in the business **What problems is Retarus E-Mail Security solving and how is that benefiting you?** Emails ate throughly syncronised and ordered properly with the help of retarus email security. ## Retarus E-Mail Security Discussions - [What is Retarus E-Mail Security used for?](https://www.g2.com/discussions/what-is-retarus-e-mail-security-used-for) - [View Retarus E-Mail Security pricing details and edition comparison](https://www.g2.com/products/retarus-e-mail-security/reviews?filters%5Bnps_score%5D%5B%5D=4§ion=pricing&secure%5Bexpires_at%5D=2026-08-10+19%3A35%3A29+-0500&secure%5Bsession_id%5D=68471891-8921-415f-960e-0cca0d1d4125&secure%5Btoken%5D=8ad95b9e77ef10c9e19f372d003b5b69b16136d34bcf57848a5a5e867dcd60e4&format=llm_user) ## Retarus E-Mail Security Features **Additional Functionality** - Third-Party Integrations - To-Do List - @mentions - Single Sign On - File Management - Activity Dashboard - Drag & Drop - Alerts/Notifications - Prioritization - Access Controls/Permissions - Screen Sharing - Content Management - Brainstorming - AI Copilot - File Transfer - Calendar Management - Status Tracking - Real-Time Notifications - Version Control - Task Management - Activity Tracking - Real Time Editing - Communication Management - Chat/Messaging - Tagging - Generative AI - Assignment Management - Task Scheduling - Project Management - Collaboration Tools - Workflow Management - Secure Data Storage - File Sharing - Document Storage - Task Progress Tracking - Discussions/Forums - Commenting/Notes - Reporting & Statistics - Contact Management - Video Conferencing - Progress Tracking - Mobile Access - API - Document Management - Customizable Branding **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** - Compliance - Intelligence Reporting - Email Clients - Role-Based Rules **Generative AI** - AI Text Generation - AI Text Summarization - AI Text-to-Speech - Autonomous Task Execution - Cross-system Integration - Proactive Assistance **Detection** - Data Exfiltration Detection - Activity Monitoring - Real-Time Detection **Protection** - Targeted Attack Prevention - Policy Enforcement - Spam Filtering **Agentic AI - Intelligent Email Protection** - Autonomous Task Execution - Adaptive Learning ## Top Retarus E-Mail Security Alternatives - [Google Workspace](https://www.g2.com/products/google-workspace/reviews) - 4.6/5.0 (45,656 reviews) - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) - 4.5/5.0 (3,435 reviews) - [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) - 4.8/5.0 (1,250 reviews)