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Email Security Software

Last updated: April 2026

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88 software options

Libraesva Email Security logo

Libraesva Email Security

Exceptional Email Security

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Libraesva Email Security stops known and emerging email threats from reaching their target, so you only receive legitimate messages. It provides exceptional email security by integrating cloud email and a secure email gateway with Libraesva’s unique Adaptive Trust Engine.

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Guardz logo

Guardz

Cybersecurity solution

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Guardz is a managed cybersecurity solution built for MSPs to holistically protect and provide insurance coverage to SMEs with a holistic and multilayered approach.

The Guardz platform continuously monitors businesses' digital landscapes to safeguard their assets.

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ContentCatcher logo

ContentCatcher

Cloud-based email security, phishing protection & anti-spam

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ContentCatcher is a web-based SaaS solution offering email security, encryption, anti-spam, phishing protection and compliant archiving to assist organizations of all levels to combat and mitigate malicious email threats, with features including anti-virus, filtering, URL defense, reporting and more

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EasyDMARC logo

EasyDMARC

Email security and deliverability platform

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EasyDMARC is a comprehensive cloud-native platform designed to simplify email authentication and deliverability management. With its intuitive interface, it offers in-depth visibility into users' email ecosystems, allowing them to monitor traffic, analyze authentication results, and protect their domain's reputation.

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Heimdal Email Security logo

Heimdal Email Security

Email Protection in a Redefined Spam Filter

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Heimdal Email Security is an email protection solution that combines advanced spam filtering with robust malware prevention through a multitude of modern technologies.

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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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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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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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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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INLYSE Malware.AI logo

VISUAL AI BASED MALWARE DETECTION

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INLYSE Malware.AI is a revolutionary visual AI-based malware detection solution that utilizes cutting-edge technology to convert files into graphical representations and analyze them comprehensively for any signs of malware.

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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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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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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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InboxGuard logo

Email phishing protection and fraud detection solution

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InboxGuard (formerly Retruster) is a cloud-based phishing protection solution designed to help small to large organizations identify fake and malicious codes in incoming emails. Key features include data security, ransomware protection, identity theft prevention, background screening, and threat tracking.

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DMARC Manager logo

Protect your Email Domains against Email Abuse and Phishing.

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DMARC Advisor specializes in empowering email security professionals. Implementing DMARC is an essential measure that fortifies defenses against evolving email threats. With DMARC, you gain the ability to authenticate email senders, prevent phishing attacks and more.

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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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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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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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MXGuardian logo

The Experts in Email Security

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Cloud-based email spam and malware filtering service that protects your business from phishing attacks, viruses, spam, ransomware and other email threats.

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Encyro logo

Secure file sharing and electronic signatures software

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Send encrypted email and attachments to any email address, without forcing recipients to sign up. Clients can send secure messages and files with a simple link click. Request electronic signatures with advanced compliance options and personalize the platform with custom branding, logo, and colors.

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Keepnet Labs logo

Extended Human Risk Management Platform, Empowered by AI

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Harden your Office 365, Google Workspace, and Secure Email Gateways (SEGs) for full protection. Keepnet’s Email Threat Simulator (ETS) continuously tests your secure email gateway solutions, such as Office 365 and Google Workspace, by sending real-world attacks to a dedicated test inbox.

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Paubox Email Suite logo

HIPAA-compliant email encryption software

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Paubox Email Suite is a HIPAA-compliant email encryption software designed to help businesses manage and secure emails using encryption and data loss prevention methods. It includes ExecProtect, which allows businesses to prevent data breaches, phishing, and display name spoofing attacks by automatically detecting and blocking impersonation scams and informing administrators via emails.

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Red Sift OnDMARC logo

Automated DMARC software to stop phishing & spoofing attacks

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Red Sift OnDMARC shuts down the exact impersonation of email-sending domains used in cyber attacks, phishing, and scam emails. It also increases the deliverability of authorized emails and protects brand reputations.

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Security Gateway by MDaemon logo

Powerful yet flexible email security software.

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Security Gateway by MDaemon is an email security software designed to help businesses secure email servers from malware and phishing attacks. The solution enables administrators to automatically detect threats across various platforms including Microsoft Exchange Server and Office 365.

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Topsec Cloud Solutions logo

Your Managed Email Security Specialists

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Topsec Email Security is a complete email filtering solution that helps organizations to check all their incoming and outgoing email content for virus and spam.

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