Material Security Alternatives (September 2025)

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

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

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

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

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

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

Graphus is automated email security software, providing security for Google Workspace & Microsoft 365 users against phishing & social engineering attacks.

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

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

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.

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

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

Stop advanced email threats and optimize security operations with AI-powered email security that adapts to your organization. Available for on-premise and Microsoft 365.

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

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

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

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

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

MailGuard is a leading Australian technological innovator, providing complete enterprise-grade protection against email security threats such as phishing, ransomware, and BEC. First to stop fast breaking attacks, MailGuard detects and prevents email threats 2-48 hours ahead of the market.

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

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

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.

Protect your customers with artificial intelligence with real-time spear phishing protection and cyber fraud defense to prevent personalized attacks.

Mesh is the world's first email security platform built exclusively for MSPs, enhancing their efficiency and ensuring greater safety for their customers. Offering flexible deployment options - Mesh Gateway (MX based), Mesh 365 (API based), and Mesh Unified (MX and API based) - Mesh protects organiza

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.

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

AI-Powered, Human-Driven Security for Users Across Email, Browsers and SaaS Applications.

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

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

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

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.

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

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

Powerful, effective protection against spam and malware

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

Kaspersky Security for Microsoft Office 365 protects your cloud-oriented enterprise from email-borne threats. Learn how it uses advanced next generation techniques to stop phishing, ransomware, malicious attachments, spam and business email compromise (BEC).

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

Get advanced threat protection with Microsoft Defender for Office 365 and protect against cyber threats like business email compromise and phishing.

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.

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.

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

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

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

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

Advanced threat and data protection for Microsoft Office 365, Google Workspace, and other cloud app security services.

Protect your business e-mail from cyberattacks: phishing, ransomware, spam, viruses. Installation in just a few clicks. French solution 🇫🇷

Complete protection against phishing, malware or spam, adding an extra layer of cyber defense for your Microsoft 365, Google Workspace cloud apps and email.

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

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

Secure your business emails. Train your employees to cyber attacks. Protect your emails with Mailinblack.

Lookout is the cybersecurity platform built to stop modern breaches as swiftly as they unfold, from the first phishing text to the final data grab.

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

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

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

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

Mimecast brand protection services combine machine learning and targeted scans to identify potential attacks reduce compromise. Learn more.

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

Darktrace AI interrupts in-progress cyber-attacks in seconds, including ransomware, email phishing, and threats to cloud environments and critical infrastructure.

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

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.

Email Meter is an email analytics tool for Gmail, Google Workspace and Microsoft 365 that gives teams and companies visibility into their email communications.

Protect your data, apps, and infrastructure against rapidly evolving cyberthreats with cloud security services from Microsoft Security.

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

PhishER Plus leverages crowdsourced threat intelligence and AI to automatically block phishing threats that have bypassed your email security filters.

The MDaemon Email Server is trusted by businesses in over 140 countries to provide a secure, reliable, and affordable alternative to Microsoft Exchange or Microsoft 365. IT professionals recommend MDaemon as an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. On-premise or hosted email deployment.

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

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

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

SonicWall Cloud App Security offers next-gen security for your users and data within cloud applications, including email, messaging, file sharing and file storage. For organizations adopting SaaS applications, SonicWall Cloud App Security delivers best-in-class security and a seamless user experience.

Take back control of your email reputation with award-winning, cloud-based DMARC, DKIM and SPF configuration and management.

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

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

Security in the industry for mobile operators, internet service providers, and hosting providers Cloudmark Authority utilizes a unique combination of proprietary…

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

Trend ScanMail™ for Domino provides comprehensive mail server security with real-time protection and streamlined administration that blocks emails with links to malicious sites.

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

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

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

Multi-cloud CNAPP cloud security and risk management solution to protect Google Cloud, AWS, and Azure cloud environments, powered by Mandiant threat intel and Gemini AI.

CloudCodes CASB Solutions that protects Business Cloud Data with one access on any device at any place. Secure Office 365, G Suite, Dropbox, Zoho, Salesforce, Zendesk, Freshdesk, etc Cloud apps. CloudCodes is a trustworthy name in CASB vendors with its multiple services. Access Control, DLP, SSO, Identity Management, Shadow IT.

WithSecure™ (formerly F-Secure) Elements Collaboration Protection adds comprehensive protection beyond your Microsoft 365 security features. Learn more here.

Augmentt's multi-tenant platform gives MSPs visibility into SaaS apps and M365 environments so you can easily audit, protect and detect security threats for all end users.

Protect your business data with Dropsuite's secure cloud backup and archiving solutions for Microsoft 365, Google Workspace, Quickbooks Online, website, and email.

BrandMail, developed by BrandQuantum, is a software solution that seamlessly integrates with Microsoft Outlook to empower every employee in the organisation to automatically create consistently branded emails via a single toolbar that provides access to brand standards and the latest pre-approved content. BrandMail Lite and BrandMail Web offer email signatures for Mac and mobile via O365 and Google Workspace.

Cloud-based cybersecurity for every part of your company. We protect email, data, cloud apps, devices, and even users. Try Coro today!

Intelligent data protection, purpose-built for the Cloud applications. Afi microservices-based architecture enables unrivaled speed and scalability, while the AI engine ensures high degree of autonomy and resistance to errors

Microsoft Defender for Cloud is a cloud security posture management (CSPM), cloud workload protection (CWP) and DevOps security solution for multicloud and hybrid environments

CloudM helps migrate, archive and backup data through frictionless, secure and automated products. Perform cloud migrations and backup data.

Watch the Solution Overview - Mailbox Continuity video.

SafeGuard Cyber provides security and compliance for your business communications. Stop risks with Unified Visibility, Contextual AI, and personal privacy.

Safeguard your data from any threat with the only cyber protection solution that natively integrates data protection and cybersecurity.

Sendio’s Opt-Inbox is a proprietary sender management process that ensures recipients only receive messages from desirable sources.

DMARC is the leading email authentication protocol. Understand how DMARC authentication blocks spoofed emails and phishing attempts & keeping your inbox safe.

The only deliverability tool you need. Find out why your email is going to spam and protect your sender reputation

Supercharge your Gmail: label sharing, export email to sheets, etc. Backup and sync solutions for G Suite, Office 356, Egnyte, Box and Dropbox for Business. Secure and fast migration solution: migrate from Box to Office 365, migrate to G Suite, etc. Helping your productivity, 1 click at a time.

The home of the company that made phish-proof MFA 'a thing'. Not only phish resistant but demonstrably phish-proof. No second device. Deploy in 15 mins!

Egnyte's AI-powered platform unlocks organizations cloud content's full potential. 22,000+ businesses trust Egnyte to manage, secure, and govern their content.

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

Monitor file sharing activity and manage access permissions for sensitive cloud data.