IRONSCALES vs Mimecast (2026): Pricing, Pros & Verdict
Compare / IRONSCALES vs Mimecast
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Team size
25 seats

IRONSCALES vs Mimecast

Email Security pricing comparison · 2026

IRONSCALES uses custom pricing, while Mimecast uses custom pricing.

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2 products · Email Security
Side-by-side · live
I
IRONSCALES
IRONSCALES is the AI-native challenger to Proofpoint and Mimecast in the mailbox-level ema
verified 9w ago
$32K $51K
View pricing →
Mimecast
Mimecast is a comprehensive email security platform offering protection against phishing,
verified 3d ago
$32K $51K
View pricing →
Verdict · Vendr median · year 1
Mimecast saves $19K vs IRONSCALES · 25 seats
Cheapest $32K
Spread 37%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pricing model unknown
Pricing model unknown
no public list price found
Pricing model unknown
Pricing model unknown
no public list price found
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
Median annual
$51K/yr
Vendr · n=5 · limited data
↓ Lowest median
Median annual
$32K/yr
Vendr · n=79 avg 12% negotiated
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 4 sourced facts
2 hidden-cost · Vendr median · 1 review platform
Last verified 2mo ago
Confidence Limited confidence
Sources 11 sourced facts
5 hidden-cost · 4 contract · Vendr median · 1 review platform
Last verified 3d ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
2 documented
  • Internal Labor for Customization
    1 source
  • Add-on Features
    1 source
4 documented
  • Mid-Contract True-Up Charges
    5-15% of license costs
    1 source
  • Proofpoint Integration API Dependency
    $3,000-$8,000
    1 source
  • Support Tier Costs
    10-20% of license costs
    2 sources
  • Implementation and Setup Costs
    $2,000-$5,000
    1 source
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
G2
4.7out of 5 (65)
Watch out
False Positives
Trustpilot
1.6out of 5 (23)
Best for
Foundational email security
Watch out
Blocks legitimate emails from trusted senders repeatedly
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit IRONSCALES pricing
Discount programs →
Visit Mimecast pricing
Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
Email Security

IRONSCALES

Custom pricing
/mailbox/month
3 plans
Full pricing breakdown →
VS
Email Security

Mimecast

Custom pricing
/user/month
3 plans
Full pricing breakdown →

Plan-by-Plan Pricing

Plan IRONSCALES Mimecast
IRONSCALES Protect Custom Custom
Email Protect Custom Custom
Complete Protect Custom Custom

Market Intelligence

IRONSCALES

Median annual cost
$51,000
Based on
5 deals

Mimecast

Median annual cost
$31,907
Average negotiated discount
12%
Based on
79 deals

What Users Say

IRONSCALES

G2
4.7out of 5 (65)
Top complaints
  • False Positives
  • Poor Detection
  • Limited Features/Integration Issues

Mimecast

Trustpilot
1.6out of 5 (23)
Top complaints
  • Blocks legitimate emails from trusted senders repeatedly
  • Poor customer support - long response times, prefer email over phone
  • Difficult to use - laborious approval/release process

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

IRONSCALES 2 hidden costs

medium
Internal Labor for Customization
high
Add-on Features
See all IRONSCALES hidden costs →

Mimecast 4 hidden costs

medium
Mid-Contract True-Up Charges 5-15% of license costs
medium
Proofpoint Integration API Dependency $3,000-$8,000
medium
Support Tier Costs 10-20% of license costs
low
Implementation and Setup Costs $2,000-$5,000
See all Mimecast hidden costs →

Continue researching

IRONSCALES

Mimecast

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