Best Email Security Toolsin ChatGPT

Proofpoint

#1

Enterprise-focused email protection (secure email gateway, anti-phishing, BEC, threat intelligence and SOAR integrations); widely cited as a market leader by recent analyst reports.

Microsoft

#2

Cloud-native protection for Microsoft 365 mail and collaboration — advanced anti-phishing, Safe Links/Safe Attachments, automated investigation/response and tenant-native telemetry; widely used as the first-line email security for M365 customers.

Mimecast

#3

Cloud email security and continuity platform (secure gateway, targeted threat protection, DMARC/impersonation controls, archiving) with long-standing enterprise presence.

Broadcom

#4

Enterprise email security and cloud threat protection (Symantec Email Security.cloud under Broadcom) with integrated anti-spam, anti-malware, DLP and compliance features.

Cisco Meraki Systems Manager

#5

On‑prem and cloud-capable email security (formerly ESA) providing spam/malware filtering, content inspection, encryption, and centralized management for large deployments.

Barracuda

#6

Broad email protection suite (gateway, cloud-native filtering, anti-phishing, encryption and continuity) popular with SMBs and mid-market customers.

Trend Micro

#7

Integrated email security (cloud gateway and on-prem options) with strong malware, URL, and attachment protection and API integrations for cloud mail services.

Fortinet

#8

FortiMail gateway and cloud email services offering layered anti-spam, AV, DLP and impersonation analysis for hybrid environments.

Abnormal AI

#9

AI-native, behavior-based cloud email security that detects anomalous senders/flows and stops socially engineered attacks (strong analyst recognition and rapid enterprise adoption).

IRONSCALES

#10

Cloud-native phishing detection and automated incident response with integrated user-reporting and training workflows for faster remediation.

Check Point

#11

Secure email gateway and cloud email protections as part of Check Point’s threat prevention portfolio; used by enterprises that consolidate on Check Point security.

Cloudflare

#12

Cloud-native email protection leveraging API integration and threat intelligence (Cloudflare/Area 1 technology addresses modern phishing and targeted threats).

Digital Guardian

#13

Brand protection and phishing defense (DMARC/anti‑spoofing, brand monitoring) focused on preventing domain abuse and customer-targeted phishing.

Hornetsecurity

#14

European‑focused cloud email security, encryption, continuity and archiving; often deployed by MSPs and service providers (recent industry consolidation activity noted).

Sophos

#15

Cloud and gateway email protection integrated with Sophos XDR and endpoint tools; includes phishing, malware, and spoofing defenses plus user-awareness features.

Retarus

#16

European-focused secure email platform offering advanced threat protection, post-delivery protection, encryption, continuity and strong data-sovereignty controls.

SpamTitan

#17

Spam and gateway filtering solution (SpamTitan) popular with MSPs and mid-market customers for anti-spam and malware filtering.

OpenText

#18

Email encryption, data loss prevention and secure messaging focused on regulatory compliance and secure outbound communications, widely used in regulated industries.

Darktrace Email

#19

Anomaly/AI-driven email defenses that focus on detecting unusual sender/recipient behavior and novel threats using machine learning.

KnowBe4

#20

KnowBe4 — best known for security awareness training and phishing simulation, also offers email-focused remediation/controls and integrations with email security stacks.