Zix Email Encryption Alternatives (September 2025)

Prevent malware, ransomware and other threats from compromising your email and your business with Secure Cloud.

We’re powering the next generation of secure email communications for your organization, preventing data leaks & empowering people to work securely.

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

Encrypt ANY Business or Personal Email in a few minutes. No need to switch email providers. Free encrypted email for Gmail, Yahoo, Microsoft.

Cisco Secure Email Encryption Service gives senders enhanced security and reliable controls for traditional email tools.

Secure email encryption helps protect individuals, SMBs, and Enterprise organizations. Learn more about compliance & secure email encryption.

Send encrypted email and attachments to any email address, without requiring clients to signup for a new account. Clients can send you secure messages and files with a simple link click.

Secure E-Mail Boolebox: to send and receive encrypted messages and attachments using the advanced security features of Boolebox. Learn more!

Secure your communications with DataMotion's email encryption and document exchange. Seamlessly integrate with the apps you're most familiar with.

Discover Echoworx, the industry-leading provider of cutting-edge email encryption to safeguard your sensitive communications

Send HIPAA compliant emails free for 14 days.

Symantec Messaging Gateway protects email against spam, malware, targeted attacks and provides advanced content filtering, data loss prevention, and email encryption.

The award-winning Clearswift Secure Email Gateway offers an unprecedented level of email security, including cyberattack protection and data loss prevention.

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

An essential suite of email and web security services for SMB and Enterprise.

Our email encryption software allows you to work without worrying about your data security. Choose Sealit and make sure your business is protected.

VIPRE provides email security solutions for every size organization and the IT partners that serve them.

As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a...

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

Virtru data encryption protects data, through email and file-sharing, Cloud, SaaS, CRM solutions and across internal and external ecosystems.

Award-winning cloud-based email security platform prevents phishing, malware, spoofing, and BEC, from reaching a user’s mailbox. See the Trustifi Difference.

Enhance VIPRE Email Security Cloud with unparalleled protection against malicious links and infected attachments.

N-able Mail Assure offers MSPs AI-driven email security with close to 100% filtering accuracy. Mail Assure also provides continuous uptime and email archiving.

The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.

The Barracuda Email Security Gateway is an email security gateway that manages and filters all inbound and outbound email traffic to protect organizations from email-borne threats and data leaks. As a complete email management solution, the Barracuda Email Security Gateway lets organizations encrypt messages and leverage the cloud to spool email if mail servers become unavailable.The Barracuda Email Security Gateway is also available as a virtual appliance or in a public cloud environment (Amazon Web Services, or Microsoft Azure). For…

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Intelligent Email Security protects against data breaches by engaging and empowering users without introducing friction.

Zimbra: A Cloud-Hosted Collaboration Software and Email Platform That Integrates With Proprietary Business Solutions

INKY helps companies secure email using a cloud-based security platform that proactively and instantly scans inbound, internal, and outbound emails to eliminate phishing and malware. The platform intelligently eliminates security threats by blocking malicious emails while assisting employees in real time to handle suspicious emails.

Hushmail - Encrypted Email & Secure Web Forms. Our healthcare plans come configured for HIPAA compliance right out of the box.

Ad-free Business Email Hosting with a clean, easy-to-use interface. Integrated Business Calendar, Contacts, Notes, Tasks. Free for up to 5 users.

IRONSCALES’ cloud email security software is an AI-powered email platform for enterprise organizations. Our self-learning service protects against advanced email attacks that bypass traditional defenses.

Forcepoint Data Loss Prevention (DLP) is an enterprise solution that prevents data exfiltration across all channels, including cloud, email and endpoint. Learn more here.

SMX offers a cloud-based email security solution for SEG, archiving and added Microsoft 365 defence. Trusted by enterprises, governments and ISPs across ANZ.

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

Email security is critical for all organizations. Block all email attacks using Mimecast's advanced email security product with targeted threat protection.

SenditCertified offers a HIPAA-compliant encrypted, cloud-based service with secure email, document e-signature, and document storage.

A powerful email server that blocks 99% of junk emails. It also enables encrypted emailing with large sized file sharing and helps in preventing IP leakages

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

The leading CMMC, NIST, and ITAR compliance solution for SMEs. End-to-end encrypted email and file sharing.

Cloud Email Protection, the integrated cloud email security solution from Fortra, stops advanced threats that bypass security defenses and make it into inboxes.

Share files securely with anyone using encrypted cloud storage. Get the highest standard of data security in the cloud.

Guardian Digital has developed unparalleled AI-powered business cloud email security services. Secure your business emails and stay threat-ready today.

Experience Zscaler Internet Access (ZIA) - the ultimate solution for secure internet and SaaS access with AI-powered protection for all users and devices.

Easy to use advanced file encryption software for your business and personal data with cloud storage, mobile encryption and password manager. Get a free trial now

How it works: Avanan adds an invisible layer of full-suite security for cloud email/collaboration, like Office 365, to create universal threat management.

Fortinet's Email Security Solutions provides protection for your critical business information. Learn how to send Secure Email Gateways (SEG) with FortiMail.

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

Prevent sensitive emails from being sent to the wrong person. Confirm external recipients and attachments with this convenient Outlook add-in.

Protect your enterprise with best in breed email security from Sendio. Eliminate ransomware, phishing attacks, spam and malware using behavioral technology.

SendSafely lets you easily exchange encrypted files and information with anyone on any device. Let us take the headache out of secure file exchange.

Mailfence is the only secure and private email service that gives you control. A free, interoperable encrypted email service protected by Belgian privacy law.

Advanced email protection to prevent credential phishing, business email compromise, account takeover, and more.

Over 90% of targeted ransomware attacks start with a spear phishing attack. But with a single appliance, you can detect and block targeted attacks.

Detect and block both malicious and malware-less email threats with Proofpoint Email Protection.

Full suite for Microsoft 365 security, Risk, Governance, Compliance & Backup

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Tuta guarantees your data stays private for free & without ads. Quantum-resistant encryption makes Tuta the best secure technology solution to protect your privacy.

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

Material is a multi-layered detection and response toolkit for email. It stops sophisticated email-based attacks and contains the blast radius of compromised accounts.

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

Spambrella is your company for managed email security services and User Awareness Training solutions and products. Try our security services for email today!

The most comprehensive protection against traditional and targeted attacks. Blocks spam, phishing, and advanced persistent threats (APTs). Flexible hybrid SaaS deployment option.

Achieve and maintain DMARC enforcement 4x faster than any other platform with Valimail’s best-in-class email authentication solutions.

Industry-leading cloud-native Security Service Edge (SSE) solution enables your workforce and protects your data across web, cloud, email, & private apps.

GreatHorn is an API, cloud-native email security solution that mitigates the risk of business email compromise across Microsoft 365 and Google Workspace.

Safeguard your network’s most vulnerable system with anti-virus and anti-spam technologies that block malicious software and spam at the gateway.

Thales provides secure data encryption and strong key management to support any enterprise cloud security strategy.

Cloudmark is a trusted leader in intelligent threat protection against known and future attacks, safeguarding 12 percent of the world’s inboxes from wide-scale and targeted email threats.

Information archiving provides secure message retention, making compliance and eDiscovery easier for you and your team.

Protect your communications with Mailock® secure email, Nigel document concierge, and AssureScore® Crowd Authentication®. Go beyond encryption.

Secure file transfers in the cloud with a leading managed file transfer service. Automate file transfers and safely share files and data.

Barracuda Essentials for email security provides IT service providers with complete email security, archiving, e-discovery and backup solution.

Securely archive, search, and analyze your company's email on one platform, preserving vital data while gaining instant business insights.

Met een mensgericht beveiligingsplatform als Smartlockr is veilig e-mailen makkelijk, ook als je aan de AVG, Wvggz en NTA 7516 moet voldoen.

Protect your organization from today’s advanced email threats, business email compromise (BEC), and consumer phishing with Proofpoint's Email Fraud Defense.

Cost-effective, secure hosted email: mailboxes, calendar and address book

Standard Notes helps you gain control in a world that often feels out of control. Protect your life's work with end-to-end encryption, advanced security measures, and unmatched privacy controls.

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

With Darktrace's self-learning cyber security AI, you're protected against future email attacks that aren’t limited to past attack rules & data. Get a demo.

Fast, secure, and sustainable email services provided by email professionals. Powerful Email and Domain Hosting for businesses and organizations.

N-able SpamExperts offers professional anti-spam email filtering and archiving for Web hosting providers, Internet Service Providers and Telcos.

Anchor’s data protection platform is a powerful yet simple way to secure and control your critical data. Self-protecting data security.

Skysnag is the most autonomous DMARC solution. Protect your domain with Skysnag's self serve & managed services.

Your smart DMARC reporting and monitoring platform. Ensure domain-level security and email deliverability with EasyDMARC’s DMARC, SPF, DKIM, and BIMI services.

Spambarrier ist ein Dienst, der Ihre E-Mails filtert, bevor sie Ihren Mailserver erreichen. Der einfache Weg, sich vor Spam zu schützen Hosting sicher in Deutschland und datenschutzkonform.

Empower your brand with centralized email compliance management. Maximize revenue through compliant outbound marketing.

Libraesva Email Archiver is a powerful and simple solutionfor email Governance, Risk and Compliance. it provides rapid e-Discovery with instant full-text search.

Email security and spam filtering with SpamTitan from TitanHQ uses double AV and AI driven malicious URL detection to block malicious threats

VeraCrypt is free open-source disk encryption software for Windows, Mac OS X and Linux. In case an attacker forces you to reveal the password, VeraCrypt provides plausible deniability. In contrast to file encryption, data encryption performed by VeraCrypt is real-time (on-the-fly), automatic, transparent, needs very little memory, and does not involve temporary unencrypted files.

Secure Mails, 500Mail by 500apps, get safe, encrypted, ad-free emails, and never worry about transmitting personal information again.

Encrypt Dropbox, Google Drive, and any other cloud. Cryptomator is free and open source.

Protect from Internet threats and gain control over cloud app usage.

Skyhigh Secure Web Gateway (SWG) the complete solution protecting both users & data. Integrated RBI, CASB, industry leading DLP 99.999% uptime.

MailMaestro is an AI-powered email assistant for Outlook & Gmail that helps you stay on top of your email and ensure the quality of every message you send. Try it for free now!

Discover Proofpoint Essentials, enterprise-class SMB cybersecurity. Learn why Proofpoint is the leader in medium and small business cybersecurity solutions.

Advanced URL Filtering provides best-in-class security, including the industry’s first real-time web protection engine and comprehensive phishing protection.

Proofpoint Enterprise Archive™ is a cloud-based archiving solution that simplifies three key information management challenges—legal discovery, regulatory compliance and end user information access...

CloudFiler, secure and easy email filing for all devices running Microsoft Outlook