---
title: Outbound Spam Guard (OSG) Reviews
meta_title: 'Outbound Spam Guard (OSG) Reviews 2026: Details, Pricing, & Features
  | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how Outbound Spam Guard (OSG) works for a business like yours.
aggregate_rating:
  rating_value: 5.0
  review_count: 1
  scale: '5'
date_modified: '2025-03-10'
parent_category:
  name: Email Security
  url: https://www.g2.com/categories/email-security
---


# Outbound Spam Guard (OSG) Reviews
**Vendor:** CYBONET  
**Category:** [Email Anti-spam Software](https://www.g2.com/categories/email-anti-spam)  
**Average Rating:** 5.0/5.0  
**Total Reviews:** 1
## About Outbound Spam Guard (OSG)
The Outbound Spam Guard (OSG) is a carrier-grade solution that can be easily deployed to scan and block up to 99% of all unwanted or malicious outbound email traffic.




## Outbound Spam Guard (OSG) Reviews
  ### 1. Stopped A Massive Spam Attack

**Rating:** 5.0/5.0 stars

**Reviewed by:** Brian M. | Help Desk, Small-Business (50 or fewer emp.)

**Reviewed Date:** February 04, 2019

**What do you like best about Outbound Spam Guard (OSG)?**

If not for Outbound Spam Guard a massive spam attack of over 1000 messages would have been sent out. It really saved the day!

**What do you dislike about Outbound Spam Guard (OSG)?**

Cant say there is anything that I dislike with this

**What problems is Outbound Spam Guard (OSG) solving and how is that benefiting you?**

Its our outbound spam relay


## Outbound Spam Guard (OSG) Discussions
  - [What is Outbound Spam Guard (OSG) used for?](https://www.g2.com/discussions/outbound-spam-guard-osg-what-is-outbound-spam-guard-osg-used-for)
  - [What is Outbound Spam Guard (OSG) used for?](https://www.g2.com/discussions/what-is-outbound-spam-guard-osg-used-for)

- [View Outbound Spam Guard (OSG) pricing details and edition comparison](https://www.g2.com/products/outbound-spam-guard-osg/reviews?open_modal_url=%2Fproducts%2Foutbound-spam-guard-osg%2Fwishlists%3Fhost_path%3D%252Fproducts%252Foutbound-spam-guard-osg%252Freviews%26source%3Dsticky_header_pin&section=pricing&secure%5Bexpires_at%5D=2026-08-13+23%3A36%3A40+-0500&secure%5Bsession_id%5D=3108c83b-528c-432a-b3a5-33221fbd542f&secure%5Btoken%5D=af25bcea4338cafdbe555c110ea5512cbc66ec81dc1822e78bf1280b0c29b830&format=llm_user)

## Outbound Spam Guard (OSG) 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

**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

## Top Outbound Spam Guard (OSG) Alternatives
  - [Validity Engage](https://www.g2.com/products/validity-engage/reviews) - 4.5/5.0 (973 reviews)
  - [Paubox](https://www.g2.com/products/paubox/reviews) - 4.9/5.0 (614 reviews)
  - [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) - 4.6/5.0 (589 reviews)