Best Email Security Software · 2026
Barracuda Email Protection vs 
Mimecast Advanced Email Security Barracuda Email Protection vs Mimecast Advanced Email Security: on our data-weighted scoring, Mimecast Advanced Email Security edges ahead (7.9 vs 7.8/10). Barracuda Email Protection starts at $5/user/mo and is best for smbs and msps wanting broad, no-drama email protection plus backup from one familiar vendor; Mimecast Advanced Email Security starts at Custom quote and is best for mid-market to enterprise teams wanting email security bundled with archiving + continuity. Choose Mimecast Advanced Email Security for the stronger overall track record; consider Barracuda Email Protection if its pricing model or fit matches your environment better. Side-by-side table below.
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Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Barracuda Email Protection | Mimecast Advanced Email Security |
|---|---|---|
| Editorial | 7.8 | 7.9 |
| User reviews | 8.8 | 8.8 |
| Adoption | 6.2 | 6.5 |
| Affordability | 6.4 | 5.0 |
| Feature breadth | 6.0 | 6.0 |
| Ease of trial | 6.0 | 6.0 |
| Barracuda Email Protection | Mimecast Advanced Email Security | |
|---|---|---|
| Starting price | $5/user/mo | Custom quote |
| Pricing model | per user | quote |
| Free trial / tier | 30 days | 30 days |
| Best for | SMBs and MSPs wanting broad, no-drama email protection plus backup from one familiar vendor | Mid-market to enterprise teams wanting email security bundled with archiving + continuity |
| Deployment | Cloud | Cloud |
| G2 rating | 4.4/5 (220) | 4.4/5 (297) |
| Capterra rating | 4.2/5 (11) | — |
| Our score | 7.8 | 7.9 |
You need smbs and msps wanting broad, no-drama email protection plus backup from one familiar vendor.
You need mid-market to enterprise teams wanting email security bundled with archiving + continuity.
Mimecast Advanced Email Security bills on a quote model from Custom quote (30 days trial), while Barracuda Email Protection uses a per user model from $5/user/mo (30 days trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Mimecast Advanced Email Security ships 6 headline capabilities (Secure email gateway, CyberGraph AI threat intel, Built-in email archiving (10+ yr), Mailbox continuity) and deploys Cloud. Barracuda Email Protection ships 6 (Gateway + API-based protection, Impersonation + phishing protection, Automated incident response, Cloud-to-cloud M365 backup), deploying Cloud.
Mimecast Advanced Email Security holds 4.4/5 (~297 G2 reviews); Barracuda Email Protection holds 4.4/5 (~220 G2 reviews). On our data-weighted score, Mimecast Advanced Email Security edges ahead (7.9 vs 7.8/10). Pick Barracuda Email Protection instead when smbs and msps wanting broad, no-drama email protection plus backup from one familiar vendor. See Mimecast Advanced Email Security alternatives or Barracuda Email Protection alternatives.