The closest Abusix Guardian Mail alternatives are Fortra Email Security & Anti-Phishing, LevelBlue Email Security and TitanHQ SpamTitan. Picking an Abusix Guardian Mail alternative comes down to fit: Email Security Platforms coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
33 alternativesClosest matches: Fortra Email Security & Anti-Phishing, LevelBlue Email Security, TitanHQ SpamTitanPage updated Nov 2026
The product
by Abusix
Email threat protection using blocklists, blocking 99.6%+ of email threats.
Abusix Guardian Mail is a commercial Email Security Platforms solution made by Abusix. The closest matches by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, LevelBlue Email Security, TitanHQ SpamTitan, Bitdefender GravityZone Security for Exchange, and MX Layer Outbound Email Filtering. All 33 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Abusix Guardian Mail. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Email security platform protecting against phishing, BEC, and data loss
Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data
Email security platform protecting against phishing, BEC, and data loss
Managed email security service protecting against email-based threats
Email security platform blocking spam, phishing, malware, and viruses
Email security for Microsoft Exchange servers with antispam and antimalware.
Outbound email filtering platform for spam prevention and IP reputation mgmt
Email security platform filtering spam, phishing, and malware threats
Email server with antispam, antivirus, and security features for Linux/Windows
Email security gateway with anti-spam, AV, sandboxing, and DLP.
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
Cloud email security for Microsoft 365 and Google Workspace applications
MX-based email security platform using AI to block spam, phishing & malware
Carrier-grade email security for ISPs blocking spam, phishing, and malware
Comprehensive email security & human risk mgmt platform with AI-powered protection
Composable email infrastructure platform with threat detection and AI ops.
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.
Cloud-based email filtering blocking phishing, malware, spam & BEC attacks.
Cloud-based anti-spam and antivirus email filtering with AI threat detection.
Agentic AI email security platform that investigates emails pre-delivery.
Cloud security platform for M365 covering email, backup, and awareness.
Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks
Email gateway that blocks spam, phishing and malware before inbox delivery, made
Cloud-based email gateway with spam filtering, anti-phishing, and containment
Cloud-managed DMARC record hosting with DNS-free policy management.
Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements.
Email and collaboration security for Microsoft 365 environments
AI-powered email security platform protecting against phishing, BEC, and ATO
Cloud-based email security platform protecting against phishing, ransomware, BEC
Behavioral email security platform protecting inbound, outbound, and internal mail
Common questions when weighing alternatives to Abusix Guardian Mail.
The closest matches to Abusix Guardian Mail by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, LevelBlue Email Security, TitanHQ SpamTitan, Bitdefender GravityZone Security for Exchange, and MX Layer Outbound Email Filtering. All of them are Email Security Platforms products.
This page shows 33 alternatives to Abusix Guardian Mail, all in the Email Security Platforms category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Abusix Guardian Mail is a commercial Email Security Platforms product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Abusix Guardian Mail is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 33 other Email Security Platforms products on this page.
View Fortra Email Security & Anti-PhishingFortra Email Security & Anti-Phishing alternativesAbusix Guardian Mail vs Fortra Email Security & Anti-Phishing
Managed email security service protecting against email-based threats
Key features: 6 listed. See them on the LevelBlue Email Security page.
View LevelBlue Email SecurityLevelBlue Email Security alternativesAbusix Guardian Mail vs LevelBlue Email Security
Email security platform blocking spam, phishing, malware, and viruses
Key features: 10 listed. See them on the TitanHQ SpamTitan page.
View TitanHQ SpamTitanTitanHQ SpamTitan alternativesAbusix Guardian Mail vs TitanHQ SpamTitan
Email security for Microsoft Exchange servers with antispam and antimalware.
Key features: 10 listed. See them on the Bitdefender GravityZone Security for Exchange page.
View Bitdefender GravityZone Security for ExchangeBitdefender GravityZone Security for Exchange alternativesAbusix Guardian Mail vs Bitdefender GravityZone Security for Exchange
Outbound email filtering platform for spam prevention and IP reputation mgmt
Key features: 10 listed. See them on the MX Layer Outbound Email Filtering page.
View MX Layer Outbound Email FilteringMX Layer Outbound Email Filtering alternativesAbusix Guardian Mail vs MX Layer Outbound Email Filtering
Email security platform filtering spam, phishing, and malware threats
Key features: 8 listed. See them on the SpamExperts Email Security page.
View SpamExperts Email SecuritySpamExperts Email Security alternativesAbusix Guardian Mail vs SpamExperts Email Security
Email server with antispam, antivirus, and security features for Linux/Windows
Key features: 10 listed. See them on the SmarterTools SmarterMail page.
View SmarterTools SmarterMailSmarterTools SmarterMail alternativesAbusix Guardian Mail vs SmarterTools SmarterMail
Email security gateway with anti-spam, AV, sandboxing, and DLP.
Key features: 10 listed. See them on the Cybonet Mail Secure page.
View Cybonet Mail SecureCybonet Mail Secure alternativesAbusix Guardian Mail vs Cybonet Mail Secure
Need the answer fast? Best Email Security Solutions for Business picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.See the shortlist