Best Email Security Software · 2026
IRONSCALES vs 
Proofpoint Email Protection IRONSCALES vs Proofpoint Email Protection: on our data-weighted scoring, IRONSCALES edges ahead (8.4 vs 8.3/10). IRONSCALES starts at $3.11/mailbox/mo and is best for msps and mid-market teams wanting human + ai phishing defense with public self-serve pricing; Proofpoint Email Protection starts at Custom quote and is best for regulated enterprises wanting the most mature secure email gateway with deep threat intelligence. Choose IRONSCALES for the stronger overall track record; consider Proofpoint 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 | IRONSCALES | Proofpoint Email Protection |
|---|---|---|
| Editorial | 8.4 | 8.3 |
| User reviews | 9.4 | 9.2 |
| Adoption | 4.4 | 7.3 |
| Affordability | 9.5 | 5.0 |
| Feature breadth | 6.0 | 6.0 |
| Ease of trial | 10.0 | 6.0 |
| IRONSCALES | Proofpoint Email Protection | |
|---|---|---|
| Starting price | $3.11/mailbox/mo | Custom quote |
| Pricing model | per user | quote |
| Free trial / tier | Free tier + 14 days | 30 days |
| Best for | MSPs and mid-market teams wanting human + AI phishing defense with public self-serve pricing | Regulated enterprises wanting the most mature secure email gateway with deep threat intelligence |
| Deployment | Cloud | Cloud |
| G2 rating | 4.7/5 (45) | 4.6/5 (548) |
| Capterra rating | — | — |
| Our score | 8.4 | 8.3 |
You need msps and mid-market teams wanting human + ai phishing defense with public self-serve pricing.
You need regulated enterprises wanting the most mature secure email gateway with deep threat intelligence.
IRONSCALES bills on a per user model from $3.11/mailbox/mo (free tier available), while Proofpoint Email Protection uses a quote model from Custom quote (30 days trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
IRONSCALES ships 6 headline capabilities (API-based deployment (no MX change), Human + AI crowdsourced detection, Automated phishing remediation, Phishing simulation + training) and deploys Cloud. Proofpoint Email Protection ships 6 (Secure email gateway (MX-routed), NexusAI threat detection, TAP attachment + URL sandboxing, TRAP auto-pull remediation), deploying Cloud.
IRONSCALES holds 4.7/5 (~45 G2 reviews); Proofpoint Email Protection holds 4.6/5 (~548 G2 reviews). On our data-weighted score, IRONSCALES edges ahead (8.4 vs 8.3/10). Pick Proofpoint Email Protection instead when regulated enterprises wanting the most mature secure email gateway with deep threat intelligence. See IRONSCALES alternatives or Proofpoint Email Protection alternatives.