# Cybonet Outbound Spam Guard (OSG) vs MDaemon Email Server: side-by-side comparison (2026) [Cybonet Outbound Spam Guard (OSG)](https://cybersectools.com/tools/cybonet-outbound-spam-guard-osg) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Cybonet](https://cybersectools.com/companies/cybonet). [MDaemon Email Server](https://cybersectools.com/tools/mdaemon-email-server) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MDaemon Technologies](https://cybersectools.com/companies/mdaemon-technologies-ltd). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Side-by-side comparison | | Cybonet Outbound Spam Guard (OSG) | MDaemon Email Server | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | On-Premises | | Company size fit | Enterprise | SMB, Mid-Market | | Company | Cybonet | MDaemon Technologies | | Headquarters | – | – | ### Use cases and capabilities | | Cybonet Outbound Spam Guard (OSG) | MDaemon Email Server | |---|---|---| | Spam Prevention | Yes | – | | Botnet | Yes | – | | SMTP | Yes | Yes | | Traffic Filtering | Yes | – | | Virtualization | Yes | – | | Server | – | Yes | | Windows | – | Yes | ### Core features **Cybonet Outbound Spam Guard (OSG)** 8 features listed. Sign in on the page to see them. **MDaemon Email Server** 3 features listed. Sign in on the page to see them. ### Integrations **Cybonet Outbound Spam Guard (OSG)** 3 integrations listed. Sign in on the page to see them. **MDaemon Email Server** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Cybonet Outbound Spam Guard (OSG)](https://cybersectools.com/tools/cybonet-outbound-spam-guard-osg) fits if you need both cloud and on-premises options and you are an enterprise. - [MDaemon Email Server](https://cybersectools.com/tools/mdaemon-email-server) fits if you need to run it on your own servers and you are a small business or a mid-market company. ## Cybonet Outbound Spam Guard (OSG) vs MDaemon Email Server FAQ Common questions when comparing Cybonet Outbound Spam Guard (OSG) vs MDaemon Email Server for email security platforms. ### What is the difference between Cybonet Outbound Spam Guard (OSG) and MDaemon Email Server? **Cybonet Outbound Spam Guard (OSG)**: Carrier-grade outbound spam & botnet detection solution for ISPs. Built by Cybonet. **MDaemon Email Server**: Email server application with groupware functions for Microsoft Windows. Built by MDaemon Technologies. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Cybonet Outbound Spam Guard (OSG) and MDaemon Email Server? **Cybonet Outbound Spam Guard (OSG)** is made by Cybonet. **MDaemon Email Server** is made by MDaemon Technologies. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Cybonet Outbound Spam Guard (OSG) a good alternative to MDaemon Email Server? Often, yes. Cybonet Outbound Spam Guard (OSG) and MDaemon Email Server are both Email Security Platforms products, and both cover SMTP. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Cybonet Outbound Spam Guard (OSG) vs SmarterTools SmarterMail](https://cybersectools.com/compare/cybonet-outbound-spam-guard-osg-vs-smartertools-smartermail) - [Cybonet Outbound Spam Guard (OSG) vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/cybonet-outbound-spam-guard-osg-vs-spamexperts-incoming-email-filtering) - [Cybonet Outbound Spam Guard (OSG) vs Halon](https://cybersectools.com/compare/cybonet-outbound-spam-guard-osg-vs-halon) - [MDaemon Email Server vs SmarterTools SmarterMail](https://cybersectools.com/compare/mdaemon-email-server-vs-smartertools-smartermail) - [MDaemon Email Server vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/mdaemon-email-server-vs-spamexperts-incoming-email-filtering) - [MDaemon Email Server vs Halon](https://cybersectools.com/compare/halon-vs-mdaemon-email-server) ## Alternatives to each - [See all Cybonet Outbound Spam Guard (OSG) alternatives](https://cybersectools.com/alternatives/cybonet-outbound-spam-guard-osg) - [See all MDaemon Email Server alternatives](https://cybersectools.com/alternatives/mdaemon-email-server) --- Source: https://cybersectools.com/compare/cybonet-outbound-spam-guard-osg-vs-mdaemon-email-server For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cybonet-outbound-spam-guard-osg.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Cybonet Outbound Spam Guard (OSG) and MDaemon Email Server: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md