Alternatives to Proofpoint

Proofpoint ranks #2 on the Top 11 Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026. Below: the higher-ranked alternatives we’d steer you to instead, by use case.

Verified July 4, 2026. No paid placement — see methodology.

1. #1Abnormal Security

   9.2 / 9.4

   Behavioral AI that stops BEC gateways miss, API-deployed in under an hour.

   Best for: Best overall for BEC and account takeover · Pricing: $$$ (custom, per-mailbox enterprise pricing) · abnormalsecurity.com

See the full ranked list: Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026. Or compare any two: side-by-side.