Best Email Encryption Software for Medium-Sized Businesses

Check Point Harmony Email & Collaboration, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email.

Secure data directly from your inbox with Virtru. Users can easily encrypt emails and attachments with just one click, protecting sensitive data such as personally identifiable information (PII), inte

Proofpoint’s Core Email Protection (CEP) stops 99.99% of all email threats before they become compromises. It stops the broadest range of email cyberattacks, spam and graymail. For security analysts,

Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered inbound email protection, helping organizations safeguar

KnowBe4 Cloud Email Security is a comprehensive AI-powered email protection platform that defends against sophisticated inbound and outbound email threats, transforming email from organizations' large

Proton Mail for Business is a secure email and calendar solution that helps small and medium‑sized businesses (SMBs) send, receive, organise, and manage professional email and calendar communications

Zivver provides secure email communications for effortless compliance. Founded in the Netherlands in 2015, Zivver is trusted by over 10,000 organizations globally to prevent data leaks caused by hu

Zix Email Encryption interfaces with your existing email environment (Zix can also host your mailbox) to secure it far beyond its native capabilities. It makes encryption automatic, easy, effective, a

Tresorit is an end-to-end encrypted, zero-knowledge content collaboration platform that enables security-conscious companies to manage, sync, sign, and share their files safely. Unlike other public cl

NeoCertified provides secure email encryption for businesses and individuals alike. With no sales minimums, no setup fees, and a fully-refundable product guarantee, NeoCertified is the simple, easy-to

RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, s