Outbound Spam Guard (OSG) Alternatives (January 2026)

Outbound Spam Guard (OSG)

Outbound Spam Guard - Cybonet | Enterprise email security system

https://www.cybone.com/outbound-spam-guard/

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

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1.
Cybonet | Enterprise email security system
https://www.cybone
.com/

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

2.
Secure your email communications
https://www.broadco
.com/products/cybersecurity/email/gateway/

Symantec Messaging Gateway protects email against spam, malware, targeted attacks and provides advanced content filtering, data loss prevention, and email encryption.

3.
Email Security Solution | FortiMail
https://www.fortine
.com/products/email-security/

Fortinet's Email Security Solutions provides protection for your critical business information. Learn how to send Secure Email Gateways (SEG) with FortiMail.

4.
Email Security Solutions | Ransomware, Phishing & More | Cloud-Based |
https://contentcatche
.com/

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

5.
Next Generation Email Cyber Security - Sendio Technologies
https://sendi
.com/

Protect your enterprise with best in breed email security from Sendio. Eliminate ransomware, phishing attacks, spam and malware using behavioral technology.

6.
EntrustedMail - Email Security
https://www.entrustedmai
.com/

An essential suite of email and web security services for SMB and Enterprise.

7.
Spam and Malware Protection - Hornetsecurity – Next-Gen Microsoft 365 Security
https://www.hornetsecurit
.com/us/services/spam-and-malware-protection/

Powerful, effective protection against spam and malware

8.
Email Protection Services | SilverSky
https://www.silversk
.com/email-protection-services/

Safeguard your network’s most vulnerable system with anti-virus and anti-spam technologies that block malicious software and spam at the gateway.

9.
Egress Intelligent Email Security: Anti-Phishing, Data Loss Prevention & Encryption
https://www.egres
.com/

Intelligent Email Security protects against data breaches by engaging and empowering users without introducing friction.