# Page 4 | Best Email Security Software 2026 | Capterra > Page 4 - Find the top Email Security software of 2026 on Capterra. Based on millions of verified user reviews - compare and filter for whats important to you to find the best tools for your needs. Source: https://www.capterra.com/email-security-software --- # Best Email Security Software - Page 4 [## DMARC Monitor](https://www.capterra.com/p/10018921/DMARC-Monitor/) [5.0 (1)](https://www.capterra.com/p/10018921/DMARC-Monitor/#reviews) Secure your business emails and prevent domain spoofing or phishing with the 24/7 DMARC monitor.  [Learn more about DMARC Monitor](https://www.capterra.com/p/10018921/DMARC-Monitor/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Boxbe](https://www.capterra.com/p/234810/Boxbe/) [5.0 (1)](https://www.capterra.com/p/234810/Boxbe/#reviews) Email security solution that helps businesses prioritize and organize messages and block spams on a unified interface. [Learn more about Boxbe](https://www.capterra.com/p/234810/Boxbe/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## mxHERO Email Attachment Protection](https://www.capterra.com/p/232080/mxHERO-Email-Attachment-Protection/) [5.0 (1)](https://www.capterra.com/p/232080/mxHERO-Email-Attachment-Protection/#reviews) Auto-replace email attachments w/ secure cloud storage urls on emails sent outside the organization. Auto-expire links (7, 15, 30 days) [Learn more about mxHERO Email Attachment Protection](https://www.capterra.com/p/232080/mxHERO-Email-Attachment-Protection/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Valimail Trust Layer](https://www.capterra.com/p/188590/Valimail-Trust-Layer/) [5.0 (1)](https://www.capterra.com/p/188590/Valimail-Trust-Layer/#reviews) Valimail Trust Layer is authoritative platform for stopping inbound & outbound phishing emails. [Learn more about Valimail Trust Layer](https://www.capterra.com/p/188590/Valimail-Trust-Layer/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Retarus](https://www.capterra.com/p/186266/Retarus-Cloud-Fax/) [5.0 (1)](https://www.capterra.com/p/186266/Retarus-Cloud-Fax/#reviews) Retarus Email Security provides end-to-end protection to support your business email and protect from cyber attacks. [Learn more about Retarus](https://www.capterra.com/p/186266/Retarus-Cloud-Fax/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## CipherMail](https://www.capterra.com/p/206100/Ciphermail-Appliance/) [5.0 (1)](https://www.capterra.com/p/206100/Ciphermail-Appliance/#reviews) Email encryption appliance supporting encryption via S/MIME, OpenPGP and PDF .  [Learn more about CipherMail](https://www.capterra.com/p/206100/Ciphermail-Appliance/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Barracuda Incident Response](https://www.capterra.com/p/230843/Barracuda-Forensics-and-Incident-Response/) [5.0 (1)](https://www.capterra.com/p/230843/Barracuda-Forensics-and-Incident-Response/#reviews) Incident Response is a SaaS solution that automatically detects and prevents phishing, business email compromise and other attacks. [Learn more about Barracuda Incident Response](https://www.capterra.com/p/230843/Barracuda-Forensics-and-Incident-Response/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## SafeGuard Cyber Security](https://www.capterra.com/p/276545/SafeGuard-Cyber-Security/) [4.0 (1)](https://www.capterra.com/p/276545/SafeGuard-Cyber-Security/#reviews) SafeGuard Cyber is the most comprehensive integrated cloud communications platform to address security threats and compliance risks. [Learn more about SafeGuard Cyber Security](https://www.capterra.com/p/276545/SafeGuard-Cyber-Security/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## KDMARC](https://www.capterra.com/p/203663/KDMARC/) [4.0 (1)](https://www.capterra.com/p/203663/KDMARC/#reviews) TDMARC prevents attackers from spoofing your email domain to reduce the risk of email-based attacks like BEC and CEO. [Learn more about KDMARC](https://www.capterra.com/p/203663/KDMARC/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Trellix Email Security](https://www.capterra.com/p/233795/FireEye-Email-Security/) [4.0 (1)](https://www.capterra.com/p/233795/FireEye-Email-Security/#reviews) Trellix Email Security provides comprehensive protection against phishing, malware, and other email threats. [Learn more about Trellix Email Security](https://www.capterra.com/p/233795/FireEye-Email-Security/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## SeppMail](https://www.capterra.com/p/182936/SeppMail-Secure-Email-Gateway/) [2.0 (1)](https://www.capterra.com/p/182936/SeppMail-Secure-Email-Gateway/#reviews) Flexible email security solution that automates email encryption and decryption, and simplifies digital signing of emails. [Learn more about SeppMail](https://www.capterra.com/p/182936/SeppMail-Secure-Email-Gateway/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## EuropeanMX](https://www.capterra.com/p/180730/EuropeanMX/) 0.0 (0) Protects your company by blocking spam and virus emails before they reach your company network. [Learn more about EuropeanMX](https://www.capterra.com/p/180730/EuropeanMX/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Confidencial](https://www.capterra.com/p/10024156/Confidencial/) 0.0 (0) An AI-powered data protection solution that identifies and classifies sensitive data buried inside documents and auto-protects it. [Learn more about Confidencial](https://www.capterra.com/p/10024156/Confidencial/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## AegisAI](https://www.capterra.com/p/10036036/AegisAI/) 0.0 (0) API-based email security platform for Microsoft 365 and Google Workspace that finds about more threats with fewer false positives. [Learn more about AegisAI](https://www.capterra.com/p/10036036/AegisAI/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## StrongestLayer](https://www.capterra.com/p/10025382/StrongestLayer/) 0.0 (0) AI-enabled email security tool that assists with real-time analysis of emails to identify persistent threats and manage security risks. [Learn more about StrongestLayer](https://www.capterra.com/p/10025382/StrongestLayer/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Perception Point](https://www.capterra.com/p/173932/Perception-Point/) 0.0 (0) NEXT GEN EMAIL SECURITY: Threat Detection for the Digital-First Enterprise. Stop APTs, Phishing, BEC and Malware in One Solution [Learn more about Perception Point](https://www.capterra.com/p/173932/Perception-Point/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Mail Zipper](https://www.capterra.com/p/274777/Mail-Zipper/) 0.0 (0) Email management solution that serves companies in Japan by allowing them to encrypt emails and enhance security during transmission. [Learn more about Mail Zipper](https://www.capterra.com/p/274777/Mail-Zipper/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Sendmarc](https://www.capterra.com/p/200923/Sendmarc/) 0.0 (0) Sendmarc provides email security for businesses to prevent phishing & impersonation. [Learn more about Sendmarc](https://www.capterra.com/p/200923/Sendmarc/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## OpenText Core Email Encryption​](https://www.capterra.com/p/10034015/OpenText-Core-EmailEncryption/) 0.0 (0) Email Encryption and security tool that scans outbound emails in real-time for sensitive information using advanced content filters. [Learn more about OpenText Core Email Encryption​](https://www.capterra.com/p/10034015/OpenText-Core-EmailEncryption/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## OpenText Core Email Threat Protection​](https://www.capterra.com/p/10034002/OpenText-Core-EmailThreat-Protection/) 0.0 (0) Email security & threat protection tool that defends inbound, outbound, internal email from phishing, ransomware, and BEC attacks. [Learn more about OpenText Core Email Threat Protection​](https://www.capterra.com/p/10034002/OpenText-Core-EmailThreat-Protection/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## MailGuard](https://www.capterra.com/p/183667/MailGuard/) 0.0 (0) Moving at SPEED, MailGuard protects against advanced email-borne cyber-attacks, stopping threats up to 48 hours ahead of the market. [Learn more about MailGuard](https://www.capterra.com/p/183667/MailGuard/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## FileCap](https://www.capterra.com/p/10009346/FileCap/) 0.0 (0) Secure file sharing software for sending and receiving sensitive files with full control, auditability, and compliance support. [Learn more about FileCap](https://www.capterra.com/p/10009346/FileCap/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## m-FILTER](https://www.capterra.com/p/248979/m-FILTER/) 0.0 (0) Email security system that helps entities and individuals secure their files and information sent or received via email. [Learn more about m-FILTER](https://www.capterra.com/p/248979/m-FILTER/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## SecurePIM](https://www.capterra.com/p/168687/SecurePIM/) 0.0 (0) Solution for secure ultramobile work and access from any mobile device (iOS & Android) without managing the whole device. [Learn more about SecurePIM](https://www.capterra.com/p/168687/SecurePIM/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Zoho ToDo](https://www.capterra.com/p/10016118/Zoho-ToDo/) 0.0 (0) Task management solution that helps businesses manage inboxes, groups, enterprise hosting, email archival, and more. [Learn more about Zoho ToDo](https://www.capterra.com/p/10016118/Zoho-ToDo/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Abusix Mail Intelligence](https://www.capterra.com/p/230511/Abusix-Mail-Intelligence/) 0.0 (0) Abusix Mail Intelligence is a set of blocklists designed to work as a spam pre-filter for mail servers. [Learn more about Abusix Mail Intelligence](https://www.capterra.com/p/230511/Abusix-Mail-Intelligence/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## HENNGE One](https://www.capterra.com/p/246875/HENNGE-One/) 0.0 (0) HENNGE One is an IDaaS that provides secure access (MFA, etc.) and single sign-on (SSO) functions for various cloud services. [Learn more about HENNGE One](https://www.capterra.com/p/246875/HENNGE-One/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## M365 Manager Plus](https://www.capterra.com/p/180013/O365-Manager-Plus/) 0.0 (0) M365 Manager Plus is the one-stop solution for Microsoft 365 reporting, auditing, monitoring, alerting, management, and security. [Learn more about M365 Manager Plus](https://www.capterra.com/p/180013/O365-Manager-Plus/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Stalwart](https://www.capterra.com/p/10034115/Stalwart/) 0.0 (0) Stalwart Mail Server is an open-source email platform combining collaboration tools and security features in one unified solution. [Learn more about Stalwart](https://www.capterra.com/p/10034115/Stalwart/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## MeSign](https://www.capterra.com/p/228903/MeSign/) 0.0 (0) Email encryption solution auto-configures email certificates and encrypts corporate emails to keep them in ciphertext in the cloud. [Learn more about MeSign](https://www.capterra.com/p/228903/MeSign/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## DMARCLY](https://www.capterra.com/p/179204/DMARCLY/) 0.0 (0) Protect your business email from spoofing, and improve deliverability and security, based on the DMARC/SPF/DKIM industry standards. [Learn more about DMARCLY](https://www.capterra.com/p/179204/DMARCLY/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Area 1](https://www.capterra.com/p/187192/Area-1/) 0.0 (0) Area 1 is an API-first cloud email security software that preemptively blocks phishing attacks and secures cloud email. [Learn more about Area 1](https://www.capterra.com/p/187192/Area-1/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Hexamail Guard](https://www.capterra.com/p/10030376/Hexamail-Guard/) 0.0 (0) Cloud-based email security and spam protection software that protects organizations from spam, viruses, malware, and phishing attacks. [Learn more about Hexamail Guard](https://www.capterra.com/p/10030376/Hexamail-Guard/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## SpamTitan Plus](https://www.capterra.com/p/240641/SpamTitan-Plus/) 0.0 (0) SpamTitan Plus is an AI-driven email protection solution that provides “zero-day” threat protection and intelligence. [Learn more about SpamTitan Plus](https://www.capterra.com/p/240641/SpamTitan-Plus/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## PlayBackMail](https://www.capterra.com/p/247247/PlayBackMail/) 0.0 (0) Email management software for screening & monitoring emails, assisting business managers to eliminate email & file attachment mistakes. [Learn more about PlayBackMail](https://www.capterra.com/p/247247/PlayBackMail/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## OpenText Data Privacy and Protection](https://www.capterra.com/p/275328/Voltage-SecureMail/) 0.0 (0) Voltage Fusion software helps organizations find, categorize, and protect sensitive data in cloud and on-premises systems. [Learn more about OpenText Data Privacy and Protection](https://www.capterra.com/p/275328/Voltage-SecureMail/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## DMARCTrust](https://www.capterra.com/p/10036636/DMARCTrust/) 0.0 (0) DMARC monitoring platform that tracks email authentication, detects DNS changes, and helps prevent domain spoofing. Free tools included [Learn more about DMARCTrust](https://www.capterra.com/p/10036636/DMARCTrust/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Active! gateSS](https://www.capterra.com/p/247165/Active-gateSS/) 0.0 (0) Prevent accidental transmission of wrong emails! [Learn more about Active! gateSS](https://www.capterra.com/p/247165/Active-gateSS/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## iQ.Suite aaS](https://www.capterra.com/p/253181/iQSuite-aaS/) 0.0 (0) iQ.Suite aaS is a unified enterprise email management solution that provides powerful email security capabilities. [Learn more about iQ.Suite aaS](https://www.capterra.com/p/253181/iQSuite-aaS/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## ManageEngine Endpoint DLP Plus](https://www.capterra.com/p/264933/ManageEngine-Endpoint-DLP-Plus/) 0.0 (0) Endpoint DLP Plus is an integrated DLP solution designed to safeguard sensitive endpoint data and effectively mitigate insider risks. [Learn more about ManageEngine Endpoint DLP Plus](https://www.capterra.com/p/264933/ManageEngine-Endpoint-DLP-Plus/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## CyberCheck360](https://www.capterra.com/p/10034582/CyberCheck360/) 0.0 (0) CyberCheck360 Email Threat Defense provides real-time inbox verdicts and post-click isolation even when threats bypass email gateways. [Learn more about CyberCheck360](https://www.capterra.com/p/10034582/CyberCheck360/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## RevBits Email Security](https://www.capterra.com/p/211238/RevBits-Email-Security/) 0.0 (0) RevBits Email Security is built to complete an organization's email security architecture by protecting the employee's email inbox. [Learn more about RevBits Email Security](https://www.capterra.com/p/211238/RevBits-Email-Security/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Secure Marketing](https://www.capterra.com/p/197143/LuxSci-Secure-Marketing/) 0.0 (0) The only email marketing tool safe enough to guarantee full HIPAA compliance at scale while including PHI in your messages. [Learn more about Secure Marketing](https://www.capterra.com/p/197143/LuxSci-Secure-Marketing/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## mailbox](https://www.capterra.com/p/10025830/mailbox-org/) 0.0 (0) Secure European digital workplace with email, drive, office and video conferencing—privacy-first, tracking-free, hosted in Germany. [Learn more about mailbox](https://www.capterra.com/p/10025830/mailbox-org/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Data Krypter](https://www.capterra.com/p/10022486/Data-Kryptere/) 0.0 (0) The Data Krypter is an encryption software that protects data by encrypting files, folders and text. [Learn more about Data Krypter](https://www.capterra.com/p/10022486/Data-Kryptere/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Threat Email](https://www.capterra.com/p/10033697/Threat-Email/) 0.0 (0) AI-powered email security with real-time detection, automated quarantine, and secure Microsoft and Google integration. [Learn more about Threat Email](https://www.capterra.com/p/10033697/Threat-Email/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Palisade](https://www.capterra.com/p/10027356/Palisade-Smart-DMARC/) 0.0 (0) The first AI-powered DMARC platform—no tech skills required, just easy email deliverability & security. [Learn more about Palisade](https://www.capterra.com/p/10027356/Palisade-Smart-DMARC/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## MUTE](https://www.capterra.com/p/10041633/MUTE/) 0.0 (0) MUTE is spam filtering software that detects and blocks bot submissions from contact forms using one line of JavaScript code. [Learn more about MUTE](https://www.capterra.com/p/10041633/MUTE/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## Trustifi Inbound Shield](https://www.capterra.com/p/10033189/Trustifi-Inbound-Shield/) 0.0 (0) Trustifi Inbound Shield detects and classifies phishing, spam, and malicious emails to protect organizations from cyber threats. [Learn more about Trustifi Inbound Shield](https://www.capterra.com/p/10033189/Trustifi-Inbound-Shield/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting [## FactorX.ai](https://www.capterra.com/p/10028959/FactorX-ai/) 0.0 (0) FactorX.ai is an AI email security platform for Microsoft 365, Gmail, etc, protection, with real-time threat detection and analysis. [Learn more about FactorX.ai](https://www.capterra.com/p/10028959/FactorX-ai/) Email Security features reviewers most value AI Copilot Email Attachment Protection Encryption Fraud Detection Generative AI Policy Management Spam Blocker Spam Quarantine Whitelisting/Blacklisting Page 4 of 5 ## Top-rated software of 2026 ### Fill out the form and we'll send a list of the top-rated software based on real user reviews directly to your inbox. 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