Email Security · Head to head
Mimecast vs Proofpoint
Both products compete in Email Security. Email security software protects organizations against spam, phishing, malware, and business email compromise by inspecting inbound and outbound messages, enforcing authentication standards like SPF, DKIM, and DMARC, sandboxing suspicious attachments, and quarantining threats before they reach users. It also covers email archiving, encryption, and continuity for compliance and operational resilience. Here are the facts the B4 Index maintains on each, side by side.
The two files, side by side
The decision underneath the comparison
Choosing between Mimecast and Proofpoint assumes you're buying Email Security at all. That's the prior question, and the B4 Index scores it on two axes: how much Email Security differentiates you, and how far AI has come at building it. Read the build-versus-buy considerations for Email Security before you shortlist either product.