# Mimecast Email Security alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 166 of the 252 answers in the 1 category where Mimecast Email Security holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://www.gane.ai/index/it/vendors/mimecast-email-security/alternatives

## Named instead, most often (every category and segment added)

- Microsoft Defender for Office 365: 53
- IRONSCALES: 10
- Proofpoint Email Protection: 10
- Abnormal AI: 8
- Check Point Harmony Email & Collaboration: 6
- Microsoft 365: 5

## Email security

**Small business**: 70 of 84 answers did not name Mimecast Email Security (Mimecast Email Security is #10 of 10 at 0%).

- Microsoft Defender for Office 365: first choice in 28 of those 70
- IRONSCALES: first choice in 8 of those 70
- Check Point Harmony Email & Collaboration: first choice in 5 of those 70
- Microsoft 365: first choice in 3 of those 70
- SpamTitan: first choice in 3 of those 70
- Abnormal AI: first choice in 2 of those 70
- Barracuda Email Protection: first choice in 2 of those 70
- Google Workspace: first choice in 2 of those 70

**Mid-market**: 53 of 84 answers did not name Mimecast Email Security (Mimecast Email Security is #3 of 9 at 8%).

- Microsoft Defender for Office 365: first choice in 15 of those 53
- Abnormal AI: first choice in 3 of those 53
- Trustifi: first choice in 3 of those 53
- IRONSCALES: first choice in 2 of those 53
- Microsoft 365: first choice in 2 of those 53
- Proofpoint Email Protection: first choice in 2 of those 53
- Check Point Harmony Email & Collaboration: first choice in 1 of those 53
- Google Workspace: first choice in 1 of those 53

**Enterprise**: 43 of 84 answers did not name Mimecast Email Security (Mimecast Email Security is #4 of 10 at 7%).

- Microsoft Defender for Office 365: first choice in 10 of those 43
- Proofpoint Email Protection: first choice in 8 of those 43
- Abnormal AI: first choice in 3 of those 43
- Barracuda Email Protection: first choice in 2 of those 43
- Cisco Secure Email: first choice in 1 of those 43

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.