SMX Alternatives

Mimecast Gateway is a SaaS-based email security solution that uses sophisticated, multi-layered detection engines and intelligence to protect email data and employees from malware, spam, advanced threats and zero-day attacks.

Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

MailGuard offers businesses solutions to manage and protect email and web filtering with anti-spam, anti-virus & data security essentials.

Safeguard your email from abuse

Barracuda Essentials offers advanced Office 365 security features including email scanning, archiving, backup & recovery, and real-time phishing defense.

Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

Hornetsecurity offers you comprehensive, integrated managed e-mail security services.

Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.

Open Source Free Trial $0.81 / Monthly (Per User)

Reflexion is a cloud-based email security, archiving, encryption, and continuity for managed service providers

Securence is a managed spam service offering anti-spam and anti-virus filtering technologies.

Agari is a data-driven security solution powering real-time cyber threat detection for companies & their customers.