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Top Rated Email Security Software with Encryption

Last updated: April 2026

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76 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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Fortra’s DMARC Protection logo

Fortra’s DMARC Protection

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Software for protection from spoofing and phishing attacks

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Agari Brand Protection is a simple anti-phishing solution that helps enterprises prevent and recover from email spoofing attacks. Businesses can block phishing attacks with DMARC, SPF, DKIM, and other email authentication services.

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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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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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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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Fidelis Network logo

Fidelis Network

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Fidelis' NDR: Proactive Defense, Rapid Threat Response.

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Fidelis Network, an NDR solution, delivers real-time threat detection & response. With Deep Session Inspection®, it provides full visibility into network, email, and web traffic, including encrypted data. Contextual analysis & threat intelligence reduce alert fatigue & enhance risk management.

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Data Krypter logo

Data Krypter

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On-premise encryption software

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Data Krypter is an encryption software that protects data by encrypting files, folders, and text.

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NeoCertified logo

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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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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Cypherdog Encryption logo

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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Delivery Trust logo

Email Encryption Platform

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Delivery Trust is a user-friendly secure email solution to protect critical information.

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Selzy logo

Affordable email marketing software

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Selzy is an intuitive email marketing platform that suits any business needs. It offers a wide range of integrations with your favorite tools, an easy-to-use drag&drop editor, and email templates for any occasion.

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Zerospam logo

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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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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Conecta Suite logo

Manage your company's Google and Microsoft users all in one

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Conecta Suite is the ideal solution for those looking to maximize the potential of Google Workspace and boost team productivity. With features that make management more efficient and secure, it offers advanced and customized control to meet your company's specific needs.

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Avanan logo

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

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ALTOSPAM logo

Effectively protect all your company's emails

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ALTOSPAM is an email protection solution for all businesses, associations and local authorities. Choose advanced email security compatible with all mail servers, including Office 365. Try ALTOSPAM for free.

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Trustifi logo

Protect Your Business Emails with AI-Powered Security

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Email security solution that helps manage threat detection, regulatory compliance, data encryption, whitelisting/blacklisting, and more.

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Cloudflare logo

Performance & Security for Any Website

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Cloudflare protects and accelerates million of website online using a single change to your DNS by offering CDN functionality and advanced security.

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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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Mailock logo

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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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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Sealit logo

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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ESET Endpoint Security logo

Network security, network monitoring & endpoint protection

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ESET Email Security protects email communications for organizations with 250+ employees. Available as cloud-based and on-premises, it ensures internet security and malware protection. Features include mail protection, cloud sandbox technology, remote device management and firewall configuration.

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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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