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Online Email Security Software - Page 4

Last updated: March 2026

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125 software options

Zulu eDM logo

Campaign management and marketing automation software

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Zulu eDM is a multi-channel campaign management software designed to help franchises schedule, track, and manage email and SMS marketing operations. It allows multi-business firms to create brand-specific templates, operate several team accounts, add location-specific content for engaging local subscribers, and more.

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MxToolbox Delivery Center logo

Email monitoring solution for marketing and IT teams

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MxToolbox Delivery Center is a cloud-based email monitoring solution, that assists marketing teams with tracking email deliverability & monitoring domain health. Features include analytics, SMTP diagnostics, header analysis, response management, threat investigation, server monitoring, & reporting.

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365 Total Protection logo

Email security management for Microsoft Office 365

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365 Total Protection is an email security & compliance solution for Microsoft Office 365 with features for tracking emails in real time, handling infomail, blocking spam, filtering for compliance, defending against threats, black & whitelisting, archiving emails, analyzing communications, & more

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Sophos Email logo

Software for managing email encryption and secure networks

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Sophos Email is a cloud-based software designed to help businesses establish secure email networks and ensure protection from malware, intrusion, unauthorized access, and other online threats. The application includes anti-ransomware technology, which enables organizations to stop boot-record and ransomware attacks using behavioral analysis.

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Inky logo

The most effective solution when fighting phishing attacks.

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INKY is an endpoint protection tool that helps businesses leverage artificial intelligence (AI) technology and machine learning capabilities to identify and prevent phishing attacks. INKY can be integrated with Microsoft Exchange, Google Workspace and other applications.

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PhishTitan logo

Powerful Phishing Protection.

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PhishTitan is a cloud-based email security solution that helps businesses manage phishing protection for Microsoft 365 applications.

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modusCloud logo

Cloud email security, encryption, and archiving

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modusCloud is a cloud email security solution with tools for spam detection, threat monitoring, email archiving, phishing detection, and more. The cloud-based platform offers features including filtering, continuity, encryption, and archiving in order to provide businesses with email protection.

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Heimdal Email Fraud Prevention logo

Innovative Email Fraud Prevention with Over 125 Vectors.

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Heimdal Email Fraud Prevention is an innovative electronic communications protection system that alerts you to fraud, impersonation, and business email compromise attempts. Over 125 vectors coupled with a live team continuously monitor your messages to make sure no malicious activity gets through.

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Email Archiving logo

Email archiving service

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Hornetsecurity's email archiving service enables companies who manage thousands of emails every day to automatically & legally store all of their emails with compliance, transparency & control features, plus secure storage & simple email search & retrieval

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Mimecast Awareness Training logo

Training system for educating employees on phishing attacks

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Mimecast Awareness Training is designed to help businesses train employees to identify and report phishing attacks and malicious emails. The application allows teams to assign video-based training modules about various types of threats, impacts, and measures to employees and enhance user engagement.

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Abnormal AI logo

A Fundamentally Different Approach to Email Security

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Abnormal provides total protection against the widest range of attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain compromise, internal account compromise, spam, and graymail.

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Skysnag logo

Email authetication platform

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Skysnag is a Cloud-based solution that helps protect businesses from malicious email impersonation through automated SPF, DKIM & DMARC authentication

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SendGuard for Outlook logo

Governance, Risk & Compliance Solution for Outbound Emails

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SendGuard for Outlook prevents accidental data loss caused by misdirected emails and mis-attached files.

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Datto SaaS Defense logo

Threat protection for Microsoft 365

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Datto Saas Defence is a cloud-based Microsoft 365 protection against malware, phishing attacks and business email compromise (BEC).

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PhishER logo

Web-based phishing emergency platform

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PhishER is a web-based Security Orchestration, Automation and Response (SOAR) platform designed to help security teams automate the prioritization of emails and respond to various threats. It groups and categorizes emails based on rules, tags and actions, allowing users to process user-reported suspicious and phishing emails in mailboxes across the entire organization.

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DMARC Monitor logo

Cloud-based email validation and list cleaning software

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DMARC Monitor is a cloud-based email validation and list cleaning software that helps secure business emails and prevent domain spoofing or phishing by monitoring multiple domains.

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Retarus logo

Your Communications Need More Than Just the Best

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The Retarus Communications Platform helps you secure, modernize, consolidate, and cloudify existing communication infrastructures. Make your communications platform work better so you can work better: with Retarus.

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Barracuda Incident Response logo

Email security and digital forensics software

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Barracuda Forensics and Incident Response is an email security software designed to help businesses identify and manage various external email attacks including ransomware or phishing emails. The application enables organizations to monitor security threats, block malicious emails, and automate workflows.

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Sentry Email Defense Service logo

Cloud-based email protection platform

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Sentry Email Defense Service (EDS) is a cloud-based platform that helps businesses ensure protection against spam, virus, phishing links, DDoS, ransomware, and various other threats. Features include real-time reporting, encryption, data leakage protection, SMTP logs, and email archiving.

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mxHERO Email Attachment Protection logo

Email Security to protect data sent by email attachments

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Greatly improve your data security by automatically delivering email attachments as self-expiring cloud storage links. Attachments auto-uploaded to your cloud storage and replaced with expiring links (7, 14, 30 days). No end-user effort or downloads required.

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NoID logo

We protect email, what you write, read and attach

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NoID is a cloud-based secure email encryption platform. NoID SecureEmail delivers emails from A to B encrypted "On send", and decrypted "On receive". It runs parallel to the existing email solution without any requirement to change any part of it.

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Libraesva LetsDMARC logo

Solution for managing email and domain security

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Libraesva LetsDMARC is an email authentication solution designed to enhance email reputation management and secure message delivery. By preventing cybercriminals from impersonating your domains and sending fraudulent emails, it provides a layer of protection for your business partners, employees, and customers. Users can
Libraesva LetsDMARC is the best way to prevent cybercriminals from impersonating your domains and sending fraudulent emails to your business partners, employees, and customers.

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Beeble logo

Private Encrypted Email and Cloud Without Third Party Access

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Beeble is secure email and cloud storage with end-to-end encryption. Complete privacy, no ads, and business-grade data protection.

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Ericsson NetCloud Manager logo

Manage network connectivity and security from anywhere.

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NetCloud SASE email security protects against phishing, malicious attachments and malware. Websites launched from emails are isolated to keep malware away, attachments are sanitized with CDR, and unknown sites are opened as read-only to block credential entry.

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SafeGuard Cyber Security logo

Cybersecurity platform with NLU analytics

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SafeGuard Cyber Security is a cybersecurity platform that helps businesses protect their communications, employees, and data against social engineering attacks and other threats.

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