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Email Security Software

Last updated: April 2026

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27 software options

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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Virtru logo

Virtru

Cloud-based data privacy and security platform

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Virtru has email and data encryption solutions for organizations of all sizes across all industries including healthcare, government, education, manufacturing, aerospace and defense, finance, IT services, Media and more.

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Zerospam logo

Zerospam

Cloud email security & anti-spam solution

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ZEROSPAM is a complete cloud email security and anti-spam solution that protects domains against spam, ransomware, spear phishing, viruses, phishing and all harmful emails. Detect disguised executable files & infected macros sent as attachments via emails or downloaded through a malicious link.

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DeliverySlip logo

DeliverySlip

Secure electronic signature, email encryption & file sharing

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DeliverySlip is a cloud-based email security, file sharing and electronic signature solution which offers industrial-grade email encryption, secure file transfer, electronic approvals, web forms, bulk send, and more. The software works inside Microsoft Outlook, Gmail, and various other applications.

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Zivver logo

Zivver

Email Security Made Effortless

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Zivver is email security software which helps enterprises transfer business documents and ensure secure e-mail communication. It allows users to retract emails, view risks, causes, and impact of data breaches, configure workflows, and generate custom reports.

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Sophos Email logo

Sophos Email

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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Cypherdog Encryption logo

Cypherdog Encryption

One click. Complete protection.

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Cypherdog Encryption (CE) provides the ability to encrypt and decrypt e-mails with attachments with confirmation of the identity of the parties to the communication.

No "trusted" third party, zero-knowledge security model, asymmetric encryption.

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Sealit logo

Sealit

Full Security - Just 1 Click.

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Sealit protects your data, no matter how it's shared. End-to-end email and file encryption for small businesses or individuals.

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Red Sift OnDMARC logo

Red Sift OnDMARC

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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Zix Email Encryption logo

Zix Email Encryption

On-premise email encryption software

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ZixMail is an on-premise email encryption software designed to help financial institutions, healthcare providers, and other businesses communicate with internal and external stakeholders through secure emails. The application allows organizations to send encrypted messages to multiple email accounts, authenticate recipient details, and receive timestamp information to track and record the opening time of emails.

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Topsec Cloud Solutions logo

Topsec Cloud Solutions

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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FileCap logo

FileCap

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Cloud-based email security and encryption solution

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FileCap is a secure file-sharing and collaboration solution that lets users send large files over email safely and easily.

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Avanan logo

Avanan

Email Security — Reinvented

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Cloud Security, Cloud Email Security, Office 365 Security, Phishing, BEC, Anti-phishing, Malware, Email Account Breach, Business Email Compromise

Read more about Avanan

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InboxGuard logo

InboxGuard

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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Mailinblack logo

Mailinblack

Cloud-based & on-premise email protection software

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Mailinblack is a cloud-based and on-premise email protection software, which helps organizations check incoming emails for spam or viruses and automatically sort them in inboxes. Features include anti-spear phishing, newsletter categorization, notifications, reporting and analytics.

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Proton Mail logo

Proton Mail

Web-based email management platform

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ProtonMail is a web-based email management platform that helps businesses securely transmit encrypted emails between users both inside and outside of the organisation.

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NeoCertified logo

NeoCertified

Secure email for confidential & sensitive documents

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NeoCertified provides secure email encryption with Outlook integration for businesses of all industries, including healthcare, finance, legal & education

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Email Archiving logo

Email Archiving

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

Read more about Email Archiving

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modusCloud logo

modusCloud

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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RMail logo

RMail

RMail®, track, prove, encrypt, e-sign, certify, all-in-one.

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RMail® is the e-security platform by RPost®. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, and AI-infused services to prevent data leaks and human e-security errors.

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ManageEngine Endpoint DLP Plus logo

ManageEngine Endpoint DLP Plus

(0)

Monitor and protect sensitive data across endpoints

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ManageEngine Endpoint DLP Plus is an enterprise-ready solution that monitors the transfer and usage of sensitive data across the business IT network. The solution supports advanced data discovery and classification techniques such as Fingerprint, RegEx, and keywords search, through which sensitive data is identified and protected across the different endpoints in your organization.

Read more about ManageEngine Endpoint DLP Plus

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Encyro logo

Encyro

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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BooleBox logo

BooleBox

Secure file sharing and data protection platform

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Boolebox is a cloud-based and on-premise data protection platform designed to help organizations across finance, research, healthcare, IT and various other sectors archive, synchronize, and securely share data across multiple devices.

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Hoxhunt logo

Hoxhunt

Make security training engaging, personalized, and effective

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Hoxhunt is a security awareness training software designed to help businesses educate and train employees to identify and report phishing attacks or malicious emails. Administrators can create relevant content to automatically send personalized malicious emails to employees.

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Mailock logo

Mailock

Secure emails with encryption and recipient authentication

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Exchange confidential information securely using your existing email infrastructure. Encrypt messages and authenticate your recipients.

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Users also considered

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