SMX - Alternatives & Competitors

MXGuardian is a cloud-based email security solution that uses AI-powered filtering to protect businesses from spam, malware, phishing, and other cyber threats with 99.9% accuracy.

• Freemium
• From 3$

Mailborder provides comprehensive email gateway and hosted filter solutions to protect organizations from spam, viruses, malware, and phishing threats with customizable security features.

• Contact for Pricing

Mailprotector is an AI-powered zero trust email security platform that fundamentally changes how email protection works by questioning everything before allowing access, stopping phishing attacks and reducing inbox clutter.

• Contact for Pricing

FactorX.ai offers AI-driven email security solutions to protect Microsoft 365 and Gmail users from phishing, malware, and business email compromise (BEC) using a zero-trust approach.

• Freemium

Xeams is a feature-rich mail server and email firewall solution using AI-driven spam filtering to block up to 99.9% of junk messages, offering end-to-end encryption, message archiving, and advanced reporting for complete email security.

• Freemium

StealthMail provides robust enterprise email security with end-to-end encryption, blockchain reinforcement, and compliance for platforms like Office 365, Gmail, and MS Teams.

• Free Trial

MX Suite is an AI-powered email hosting platform designed for email marketers, offering reliable inbox delivery, unlimited mailboxes, and aggressive warming to avoid spam.

• Paid
• From 50$

Sendio provides comprehensive email security solutions that eliminate cyber threats like ransomware and phishing while reclaiming productivity lost to spam through innovative products like Opt-Inbox.

• Contact for Pricing

GMX is a free email service offering secure communication with advanced spam filters, antivirus protection, encryption, and 2FA, plus 2GB cloud storage and online office suite for document creation.

• Free

Grade My Email offers a suite of free tools for checking email domain authentication, analyzing DNS configurations, and improving overall email deliverability through AI-powered assistance.

• Free

Precedent is an advanced cloud-based email security platform that uses AI to protect organizations from sophisticated phishing attacks and email threats through contextual detection and automated responses.

• Contact for Pricing

SendForensics is an AI-powered email deliverability platform that ensures inbox placement across all brand output through advanced analytics, spam testing, and DMARC compliance.

• Freemium
• From 49$

PowerDMARC is a comprehensive email authentication and security platform that provides DMARC monitoring, analysis, and implementation services to protect organizations from email spoofing and impersonation attacks.

• Free Trial

Securence provides advanced AI-driven email security solutions with real-time threat detection, zero-day defense, and comprehensive protection features for businesses of all sizes.

• Contact for Pricing

MimicAI is a free AI-powered browser extension providing real-time risk scores for suspicious emails, enhancing inbox safety without blocking messages.

• Free

DMARCeye is an AI-powered email security platform that provides comprehensive DMARC reporting, threat detection, and policy management to protect domains from email spoofing and improve deliverability.

• Freemium
• From 4$

ShieldForce offers comprehensive cybersecurity protection, combining AI-powered threat detection, advanced email security, automated disaster recovery, and cybersecurity awareness training.

• Free Trial

Mailhardener is an AI-powered email security platform that helps businesses secure and monitor their domains by implementing and managing email security standards like SPF, DKIM, DMARC, MTA-STS, and BIMI to prevent fraud, spam, and improve deliverability.

• Freemium
• From 19$

DMARC Report is an enterprise-grade DMARC monitoring and management platform that helps organizations secure multiple domains against email spoofing, phishing, and fraud through comprehensive email authentication.

• Contact for Pricing

Vircom enhances leading email security platforms with automation, multi-tenant management, and operational tools to protect against threats without scaling headcount.

• Contact for Pricing

SaneBox is an AI-powered email management service that automatically sorts incoming emails, helping users save up to 3-4 hours per week by prioritizing important messages and reducing distractions.

• Paid

Everyone.net provides secure, branded email hosting with productivity features, admin controls, and mobile access for businesses and ISPs.

• Contact for Pricing

Darktrace provides AI-powered cybersecurity solutions for proactive threat detection and autonomous response across network, email, cloud, OT, identity, and endpoint environments.

• Contact for Pricing

Axigen is an all-in-one mail server software offering secure, customizable, and scalable email solutions for businesses, ISPs, Telcos, and managed service providers.

• Freemium

PhishingBox is a comprehensive AI-powered platform for simulating phishing attacks, delivering security awareness training, and managing email threat mitigation for organizations of all sizes.

• Paid
• From 69$

Spam Slaya is an open-source AI-powered email management tool that helps users regain control of their inbox by automatically categorizing emails and removing spam, all while running locally for maximum privacy.

• Other

Bleach Cyber offers an AI-powered platform to enhance and remediate cybersecurity across cloud, email, and digital asset environments, designed for both service providers and small businesses.

• Contact for Pricing

MX Lookup is an AI-powered tool that lists MX records for domains in priority order and performs comprehensive email server diagnostics to identify and resolve email delivery issues.

• Other

BarracudaONE is an AI-powered cybersecurity platform that provides comprehensive protection for email, data, applications, and networks with innovative solutions and managed XDR services to strengthen cyber resilience.

• Contact for Pricing

Mango Mail offers a cost-effective professional email service with unlimited domains and users for a simple, usage-based monthly fee. Its intuitive dashboard, advanced migration tools, and robust security features make it ideal for businesses of all sizes.

• Paid
• From 2$

EmailAuth.app is an AI-assisted platform for analyzing and improving domain email authentication through SPF, DKIM, and DMARC validation and security recommendations.

• Free

Zivver is an all-in-one email security solution that protects sensitive data, blocks threats, and ensures regulatory compliance through AI-powered features and seamless integrations.

• Paid
• From 6$

StrongestLayer is an AI-native detection platform designed to identify and defend against advanced, AI-powered email threats and phishing scams that traditional security tools miss.

• Contact for Pricing

Supershort is an AI-powered email management tool that summarizes and streamlines email communication, helping users save time and enhance productivity.

• Free

Atmail delivers secure, reliable, and fully white-labelled cloud-native email services, enabling businesses to outsource their email operations and focus on core objectives while ensuring accessibility, scalability, and data privacy.

• Contact for Pricing

DMARCwise offers robust DMARC monitoring and analysis tools to help businesses safeguard email delivery and prevent domain impersonation. Ensure DMARC, SPF, and DKIM compliance with intuitive dashboards, instant diagnostics, and detailed reporting.

• Freemium
• From 17$

EmailSuccess is an on-premises Mail Transfer Agent (MTA) solution designed for high-volume SMTP email delivery, offering tools for managing outbound emails, building sender reputation, and ensuring compliance.

• Freemium
• From 334$

Thexyz is a comprehensive web services platform offering private email hosting, domain registration, and website building solutions with a focus on privacy and security.

• Paid
• From 3$

Fastmail offers a secure, privacy-focused email and calendar service designed for individuals, families, and businesses. Featuring powerful productivity tools, advanced spam protection, and seamless migration, it serves as a premium alternative to mainstream email providers.

• Paid
• From 4$

EmailTree is a GDPR-compliant AI email assistant that offers a secure, self-hosted AI inbox management platform. It streamlines email responses, ensures data governance, and boosts productivity.

• Free Trial

Censornet is an AI-powered cybersecurity platform that provides comprehensive protection through integrated email, web, and cloud application security with advanced threat prevention and data loss prevention capabilities.

• Paid
• From 3$

XemailAudit is a comprehensive email troubleshooting tool designed to identify and resolve email deliverability issues, offering real-time solutions and actionable insights for users.

• Free Trial
• From 49$

Dmarcoff provides advanced DMARC management tools to detect threats, eradicate suspicious emails, and prevent security incidents, helping protect your domain and brand from phishing and email abuse.

• Freemium

YOUR DMARC is an AI-powered email security platform that helps organizations safeguard their domains from spoofing and email fraud with advanced DMARC, SPF, and DKIM compliance tools.

• Free

FindMailX is an AI-powered email finder and verification tool that helps professionals discover and verify email addresses using advanced algorithms and real-time verification technology to improve outreach success rates.

• Freemium
• From 50$

MailSped utilizes AI automation for intelligent email management, offering features like categorization, prioritization, summarization, and smart organization to enhance productivity and reduce inbox clutter.

• Freemium
• From 17$

DMARCLY is an advanced email authentication platform that helps organizations protect their domains against phishing, spoofing, ransomware, and spam through robust DMARC, SPF, and DKIM monitoring and management.

• Paid
• From 18$

Mail-in-a-Box is an open-source solution that transforms a fresh cloud computer into a fully functional, self-hosted mail server with webmail, contacts, calendar synchronization, and automated security features.

• Free

Perception Point is an AI-powered cybersecurity platform that combines advanced threat prevention with 24/7 managed incident response service to protect organizations across email, browsers, and cloud collaboration tools.

• Contact for Pricing

Guardian Digital EnGarde offers AI-powered, fully-managed cloud email security to protect businesses against advanced threats like phishing, ransomware, and zero-day attacks. It provides multi-layered defenses and support for platforms like Microsoft 365 and Google Workspace.

• Free Trial