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Best GLIMPS Email Security for M365 Alternatives & Competitors in 2026 | CybersecTools

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GLIMPS Email Security for M365

Best GLIMPS Email Security for M365 Alternatives & Competitors in 2026

Top picks: OPSWAT MetaDefender Email Security, Infonaligy Proofpoint Email Security, MX Layer Outbound Email Filtering — plus 45 more compared.

GLIMPS Email Security for M365 Alternatives and Competitors

GLIMPS Email Security for M365 is a commercial Email Security Platforms tool developed by GLIMPS. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

OPSWAT MetaDefender Email Security

, Infonaligy Proofpoint Email Security

, MX Layer Outbound Email Filtering

, Vircom Email Security

, and SmarterTools SmarterMail

Data verified May 2026

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Top GLIMPS Email Security for M365 Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to GLIMPS Email Security for M365, including their key features and shared capabilities.

OPSWAT MetaDefender Email Security

Commercial

Email Security Platforms

Email security platform protecting against phishing, malware, and exploits

Key features: Multiscanning with up to 30 anti-malware engines for on-premises deployments, Deep Content Disarm and Reconstruction (CDR) for 180+ file types, Real-time anti-phishing with time-of-click link reputation analysis, Real-time adaptive sandbox with 7-second analysis, Data loss prevention supporting 110+ file types with automatic redaction

View OPSWAT MetaDefender Email Security|OPSWAT MetaDefender Email Security alternatives|Compare OPSWAT MetaDefender Email Security

Infonaligy Proofpoint Email Security

Commercial

Email Security Platforms

Managed Proofpoint email security service for phishing & BEC protection.

Key features: Multi-layer phishing detection using signatures, behavioral analysis, and sender reputation, Real-time URL analysis for malicious link detection, Attachment sandboxing to detonate and analyze suspicious files, BEC detection via machine learning and communication pattern analysis, Compromised account detection via login pattern and impossible travel monitoring

View Infonaligy Proofpoint Email Security|Infonaligy Proofpoint Email Security alternatives|Compare Infonaligy Proofpoint Email Security

MX Layer Outbound Email Filtering

Commercial

Email Security Platforms

Outbound email filtering platform for spam prevention and IP reputation mgmt

Key features: Outbound email scanning for viruses, malware, and spam, Compromised account detection and blocking, Content scanning for policy and regulatory compliance, Data leak prevention for sensitive information, SPF, DKIM, and DMARC record management

View MX Layer Outbound Email Filtering|MX Layer Outbound Email Filtering alternatives|Compare MX Layer Outbound Email Filtering

Vircom Email Security

Commercial

Email Security Platforms

Email security platform enhanced with multi-tenant mgmt & automation tools

Key features: Multi-tenant management dashboard, Automated client onboarding, Microsoft Office 365 monitoring and protection, PSA billing synchronization, Security hardening for M365

View Vircom Email Security|Vircom Email Security alternatives|Compare Vircom Email Security

SmarterTools SmarterMail

Commercial

Email Security Platforms

Email server with antispam, antivirus, and security features for Linux/Windows

Key features: SpamAssassin-based pattern matching for spam detection, Rspamd support including remote server integration, ClamAV antivirus with self-updating virus protection, SPF, DKIM, and DMARC email authentication, Greylisting for spam prevention

View SmarterTools SmarterMail|SmarterTools SmarterMail alternatives|Compare SmarterTools SmarterMail

SpamTitan for Office 365

Commercial

Email Security Platforms

Email security layer for M365 with anti-phishing, sandboxing, and DLP.

Key features: AI-driven anti-phishing with zero-day threat detection using Bayesian analysis, heuristics, and machine learning, Dual anti-virus scanning for inbound and outbound emails, Email sandboxing for advanced threat analysis, URL filtering against blacklists of known malicious sources, Greylisting to block emails from unknown or suspicious sources

View SpamTitan for Office 365|SpamTitan for Office 365 alternatives|Compare SpamTitan for Office 365

Microsoft Defender for Office 365

Commercial

Email Security Platforms

Email and collaboration security for Microsoft 365 environments

Key features: AI-powered sentiment analysis for email filtering, Inline protection against malicious links and attachments in Outlook and Teams, Real-time detonation of attachments and links, Automated BEC attack disruption with user disabling and device isolation, Post-delivery removal of malicious emails

View Microsoft Defender for Office 365|Microsoft Defender for Office 365 alternatives|Compare Microsoft Defender for Office 365

Commercial

Email Security Platforms

Email security platform with phishing/BEC protection and MDR/XDR integration

Key features: Multi-layered defense with 20+ AI/ML models including NLP, Phishing and BEC attack protection, Email filtering and advanced threat detection, Sender authentication (SPF, DKIM, DMARC), URL protection and cloud sandboxing

View Sophos Email|Sophos Email alternatives|Compare Sophos Email

All 48 Alternatives & Competitors to GLIMPS Email Security for M365

Compare

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

Email Security Platforms

Compare

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

Email Security Platforms

Compare

MX Layer Outbound Email Filtering

Outbound email filtering platform for spam prevention and IP reputation mgmt

Email Security Platforms

Compare

Vircom Email Security

Email security platform enhanced with multi-tenant mgmt & automation tools

Email Security Platforms

Compare

SmarterTools SmarterMail

Email server with antispam, antivirus, and security features for Linux/Windows

Email Security Platforms

Compare

SpamTitan for Office 365

Email security layer for M365 with anti-phishing, sandboxing, and DLP.

Email Security Platforms

Compare

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Email Security Platforms

Compare

Email security platform with phishing/BEC protection and MDR/XDR integration

Email Security Platforms

Compare

Red Sift OnDMARC

Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols

Email Security Platforms

Compare

Proofpoint Threat Protection

Email security platform with AI-based threat detection and DLP capabilities

Email Security Platforms

Compare

AnubisNetworks Email Security

Email security platform protecting against fraud, malware, and spam threats

Email Security Platforms

Compare

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

Email Security Platforms

Compare

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Email Security Platforms

Compare

Bitdefender GravityZone Extended Email Security

Cloud-native email security platform with SEG and API-based protection

Email Security Platforms

Compare

VIPRE Integrated Email Security (IES)

Email security platform for Microsoft 365 with AI-based threat detection

Email Security Platforms

Compare

INKY DMARC Monitoring

DMARC monitoring tool for email deliverability and brand protection

Email Security Platforms

Compare

Mimecast Collaboration Threat Protection

Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing

Email Security Platforms

Compare

API-based email security platform for Microsoft 365 environments

Email Security Platforms

Compare

ConnectWise Email Security

Email security platform with AI threat detection, BEC protection, and DLP

Email Security Platforms

Compare

dmarcian DMARC Management Platform

DMARC management platform for email authentication and domain protection

Email Security Platforms

Compare

Ironscales DMARC Management

DMARC management platform for email authentication and domain protection

Email Security Platforms

Compare

Sendmarc DMARC Compliance Platform

Platform automating DMARC compliance via record mgmt, reporting & policy enforcement.

Email Security Platforms

Compare

Vade (Hornetsecurity) 365 Total Protection

AI-powered email security platform for Microsoft 365 with backup & compliance.

Email Security Platforms

Compare

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Email Security Platforms

Compare

Fortinet FortiMail Email Security

AI-powered email security platform protecting against phishing, BEC, and ATO

Email Security Platforms

Compare

Cellopoint Cloud Email Security Solution

Cloud-based email security platform protecting against phishing, ransomware, BEC

Email Security Platforms

Compare

Hornetsecurity 365 Total Protection

Comprehensive M365 security suite with email protection, backup, and compliance

Email Security Platforms

Compare

Hornetsecurity Advanced Threat Protection

AI-powered email security platform protecting against advanced threats

Email Security Platforms

Compare

odix FileWallTM for Microsoft 365

File-based threat protection for Microsoft 365 using CDR technology

Email Security Platforms

Compare

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

Email Security Platforms

Compare

Zivver Secure Business Email

All-in-one email security platform for threat protection and compliance

Email Security Platforms

Compare

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

Email Security Platforms

Compare

Fortra Email Security & Anti-Phishing

Email security platform protecting against phishing, BEC, and data loss

Email Security Platforms

Compare

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

Email Security Platforms

Compare

Egress Intelligent Email Security

Cloud email security platform for inbound/outbound threat detection & DLP

Email Security Platforms

Compare

KnowBe4 Cloud Email Security

AI-driven email security platform for Microsoft 365 inbound/outbound threats

Email Security Platforms

Compare

Abnormal Security Cloud-based email security platform

AI-powered email security platform protecting against phishing, BEC, and ATO

Email Security Platforms

Compare

Composable email infrastructure platform with threat detection and AI ops.

Email Security Platforms

Compare

PowerDMARC Hosted DMARC

Cloud-managed DMARC record hosting with DNS-free policy management.

Email Security Platforms

Compare

SourcetekIT Email Security Service

Managed email security service for Office 365 using Cisco's platform.

Email Security Platforms

Compare

SpamTitan Gateway

Email security gateway appliance for spam/malware filtering and mail flow control.

Email Security Platforms

Compare

Cloud-native AI email security platform with LLM-based threat detection and DLP.

Email Security Platforms

Compare

EasyDMARC Email Auth for Gmail, Yahoo & Microsoft

Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements.

Email Security Platforms

Compare

Cloudflare Cloud Email Security

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.

Email Security Platforms

Compare

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

Email Security Platforms

Compare

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Email Security Platforms

Compare

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Email Security Platforms

Compare

MX Layer Email Security

Cloud-based email security platform with AI-powered threat detection

Email Security Platforms

Also compare alternatives to:

OPSWAT MetaDefender Email Security alternatives Infonaligy Proofpoint Email Security alternatives MX Layer Outbound Email Filtering alternatives Vircom Email Security alternatives SmarterTools SmarterMail alternatives SpamTitan for Office 365 alternatives Microsoft Defender for Office 365 alternatives Sophos Email alternatives Red Sift OnDMARC alternatives Proofpoint Threat Protection alternatives AnubisNetworks Email Security alternatives ESET Cloud Office Security alternatives

Compare GLIMPS Email Security for M365 with:

GLIMPS Email Security for M365 vs OPSWAT MetaDefender Email Security GLIMPS Email Security for M365 vs Infonaligy Proofpoint Email Security GLIMPS Email Security for M365 vs MX Layer Outbound Email Filtering GLIMPS Email Security for M365 vs Vircom Email Security GLIMPS Email Security for M365 vs SmarterTools SmarterMail GLIMPS Email Security for M365 vs SpamTitan for Office 365 GLIMPS Email Security for M365 vs Microsoft Defender for Office 365 GLIMPS Email Security for M365 vs Sophos Email

GLIMPS Email Security for M365 Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to GLIMPS Email Security for M365.

What are the best alternatives to GLIMPS Email Security for M365?

The most popular alternatives to GLIMPS Email Security for M365 include OPSWAT MetaDefender Email Security, Infonaligy Proofpoint Email Security, MX Layer Outbound Email Filtering, Vircom Email Security, and SmarterTools SmarterMail. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to GLIMPS Email Security for M365 are available?

Is GLIMPS Email Security for M365 free or commercial?

What type of tool is GLIMPS Email Security for M365?

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