Fortinet FortiMail
Secure the front door. Email is where most attacks arrive — Fortinet FortiMail is the secure email gateway defending the #1 attack vector — multi-layered inbound protection (phishing, BEC, malware, sandboxing), outbound DLP and encryption, integrated with the Security Fabric.
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The Fortinet Security Fabric family
This page covers FortiMail — email security. The rest of the Security Fabric:
Quick facts
30-second orientation- Product
- FortiMail — email security gateway
- Vendor
- Fortinet (founded 2000 · Sunnyvale · Ken Xie)
- The category
- Email Security (secure email gateway)
- Why it matters
- Email is the #1 attack vector
- Inbound
- Anti-phishing, BEC, malware, spam, sandboxing
- Outbound
- DLP + encryption — stop data leaving
- The edge
- Part of the Security Fabric
- Protects
- Microsoft 365, Google Workspace, on-prem
- Powered by
- FortiGuard threat intelligence + FortiSandbox
- In India via
- TechBag — quotes, PoCs, GST invoicing, Tier-1 support
Understand cybersecurity before you buy it
Most product pages skip this. We start here — so you buy a capability, not a buzzword.
What is FortiMail?
Fortinet's secure email gateway — defending the #1 attack vector: phishing, BEC, malware, spam.
Inbound protection + outbound DLP, Fabric-integrated.
Unprotected estate vs modern security — the honest table
What consolidation actually replaces, dimension by dimension.
| Dimension | Unprotected / signature email | FortiMail (Fortinet) |
|---|---|---|
| The attack vector | Email — undefended | Multi-layered protection |
| Phishing/BEC | Reaches inboxes | Detected & blocked |
| Unknown threats | Signatures miss them | Sandboxed |
| Outbound | Data leaks freely | DLP + encryption |
| Native M365/Workspace only | Often insufficient | Strong dedicated layer |
| Email intelligence | Siloed | Fabric-shared |
| Deployment | Fixed | Appliance / virtual / cloud |
| The estate | Email silo | Security Fabric |
Email is the #1 attack vector — most breaches start with a malicious email. Multi-layered inbound protection + outbound DLP, native to the Fabric.
The five pieces of the platform
Vendors love diagrams; buyers need to know what they’re actually operating. Here’s the whole platform, demystified.
Inbound Protection
Multi-layered inbound defence — anti-spam, anti-malware (with sandboxing), anti-phishing, impersonation/BEC detection, URL and attachment analysis. Stops threats before the inbox.
Sandboxing
Suspicious attachments and URLs detonated in a sandbox (FortiSandbox/cloud) to catch unknown, evasive and zero-day threats that signature checks miss.
Outbound & DLP
Outbound protection with DLP — stopping sensitive data leaving by email, and preventing your domain being used to spread threats. Plus email encryption for confidentiality.
FortiGuard Intelligence
Powered by FortiGuard Labs' threat intelligence — the same intelligence across the Fortinet Fabric — so email defence is informed by threats seen everywhere.
Security Fabric
Part of the Security Fabric — email threat indicators shared with FortiGate, FortiClient and FortiSandbox, so email, network and endpoint defence inform each other.
A common telemetry layer spans endpoint, cloud and network: one correlation per threat, no console-to-console pursuit.
Twelve capabilities. Inbound, outbound, Fabric.
FortiMail defends the channel attackers use most — multi-layered inbound protection and outbound DLP, part of the Fortinet portfolio.
Anti-Phishing
Detects and blocks phishing emails — the credential-harvesting and malicious-link messages that trick users, the most common entry point for breaches.
BEC & Impersonation
Detects business email compromise and impersonation, such as fake ‘CEO wants a payment’ and vendor emails that cause big losses.
Anti-Malware
Blocks malware and ransomware payloads delivered by email — the malicious attachments and downloads that email is used to carry.
Sandboxing
Detonates suspicious attachments and URLs in a sandbox (FortiSandbox/cloud) to catch unknown, evasive and zero-day threats signature checks miss.
Anti-Spam
Filters spam and unwanted mail — keeping inboxes clean and reducing the noise that hides real threats.
URL & Attachment Analysis
Analyses URLs (including at click-time) and attachments for malicious content — catching weaponised links and files.
Data Loss Prevention
Outbound DLP — stops sensitive data (PII, financials, IP) leaving your organisation by email, protecting against leaks and meeting compliance.
Email Encryption
Encrypts sensitive outbound email — keeping confidential communications private and meeting regulatory requirements.
Outbound Protection
Prevents your domain being used to spread threats — protecting your reputation and stopping compromised accounts sending malicious mail.
FortiGuard Intelligence
Powered by FortiGuard Labs — the same threat intelligence across the Fabric, so email defence reflects threats seen everywhere.
Security Fabric
Part of the Fortinet Security Fabric — email threat indicators shared with FortiGate, FortiClient and FortiSandbox for correlated defence.
Flexible Deployment
Available as a physical/virtual appliance or cloud-delivered service — protecting Microsoft 365, Google Workspace and on-prem mail.
Watch Fortinet FortiMail in action
The overview, getting started, and protecting M365 email.
FortiMail | Email Security Overview
FortiMail email security.
Protecting Against Email Threats with FortiMail
Stopping phishing, BEC and malware.
FortiMail Cloud | Deployment
FortiMail Cloud deployment.
Want a live, India-context walkthrough for your environment?
Book a guided demo →The endpoint catches what arrives. Email stops it arriving.
Here’s what genuinely sets Fortinet FortiMail apart.
Email is the #1 attack vector — this is the layer that defends it
Most breaches start with an email: credential phishing, business email compromise and ransomware in attachments and links. FortiMail, Fortinet’s secure email gateway, layers anti-spam, sandboxed anti-malware, anti-phishing, BEC detection and URL and attachment analysis to stop threats before users see them.
Multi-layered inbound defence — including sandboxing for the unknown
No single technique catches every email threat. FortiMail combines anti-spam, anti-malware, anti-phishing, BEC detection, and click-time URL and attachment analysis, and detonates suspicious files and links in FortiSandbox to catch zero-day and evasive threats that signatures miss, all fed by FortiGuard intelligence.
Outbound protection and DLP — email works both ways
FortiMail also checks outbound mail. Its DLP inspects outgoing messages for personal, financial or regulated data and can block, quarantine or encrypt them, whether the cause is exfiltration or a misdirected file. It also stops a compromised account from sending phishing that could get your domain blocklisted.
Part of the Security Fabric — email doesn't defend in isolation
Email security is often a silo. As part of the Security Fabric, FortiMail shares threat intelligence with FortiGate, FortiClient and FortiSandbox: a malicious URL first seen in email can be blocked at the network and watched for on endpoints, and sandbox verdicts are shared Fabric-wide, catching attacks that span channels.
Flexible deployment — appliance or cloud, any mail platform
FortiMail runs as a physical appliance, a virtual appliance or FortiMail Cloud (SaaS), and protects Microsoft 365, Google Workspace and on-premises Exchange. Many organisations layer it on top of the native cloud filtering for stronger protection against advanced phishing, BEC and zero-day threats.
The honest scope
FortiMail offers layered inbound protection with sandboxing, outbound DLP and Security Fabric integration. Rivals include Proofpoint, Mimecast, API-based Abnormal and native Microsoft 365 and Google Workspace security. Its edge is gateway breadth plus Fabric integration, most compelling for Fortinet estates.
The numbers behind the platform
What your email-security journey looks like
Email-security scoping
Map your mail platform (M365, Workspace, on-prem), filtering gaps, phishing and BEC exposure, DLP needs and Fortinet estate.
Deploy FortiMail
FortiMail deployed (appliance/virtual/cloud) in front of or alongside your mail; inbound protection layers on; sandboxing enabled.
Outbound & Fabric
Outbound DLP and encryption policies configured; Fabric integration sharing email intelligence with FortiGate/FortiClient/FortiSandbox.
Defended email
Phishing, BEC, malware and spam blocked, outbound leaks prevented and email intelligence correlated, modelled in INR/GST.
The review scoreboard
Modelled on Gartner Peer Insights structure. *Counts and breakdowns are illustrative pending verified review collection.
Quick poll — what’s driving your evaluation?
Talk to an advisor“Layered on Microsoft 365, FortiMail catches far more advanced phishing and BEC than native filtering. Email is our #1 risk.”
“BEC detection stopped a fraudulent 'CFO wants a wire transfer' email that had no malware — pure social engineering. Would have been a costly loss.”
“Sandboxing detonates suspicious attachments safely before anyone gets them, catching zero-day files that signatures miss.”
“Outbound DLP stops sensitive data leaving by email, a compliance win, and caught staff nearly emailing the wrong files.”
“FortiMail shares email threat intel with our FortiGate and endpoints, so a threat caught in email is known everywhere.”
“We run FortiMail Cloud — no appliance to manage, protecting our Google Workspace. Easy to deploy, strong protection.”
“Anti-spam alone cleaned up our inboxes dramatically, and the phishing/malware layers give real confidence. Comprehensive gateway.”
“FortiGuard intelligence keeps it current against new threats, and it's the same intelligence across our whole Fortinet stack. Consistent, up-to-date.”
Where everyone sits — the grids
Analyst firms bury this view behind paywalls, and review-site grids score satisfaction, not fit for your estate. So here’s TechBag’s synthesis of the email security market — tap any vendor to see why it sits where it does.
TechBag Email-Security Grid
Execution strength vs product vision — the classic market map, minus the paywall.
Comprehensive gateway + native Security Fabric integration. This page's product.
Email Detection × Platform Breadth
No vendor draws this one: email threat detection depth mapped against platform breadth.
Multi-layered inbound + outbound DLP + sandbox + Fabric.
Positions are TechBag’s illustrative synthesis of public review-platform data and vendor documentation — not a reproduction of any analyst graphic. Verify before relying on it.
FortiMail vs the email-security field
Specialist gateways, cloud-native API tools and native M365/Workspace filtering — honest lanes; the edge is comprehensive gateway protection, native to the Fabric.
| Dimension | FortiMail | Proofpoint / Mimecast | Abnormal (API) | M365 native | No email security |
|---|---|---|---|---|---|
| Approach | Gateway + Fabric-integrated | Specialist gateways | Cloud-native, API-based | Built-in filtering | The gap |
| Inbound (phishing/BEC/malware/sandbox) | Multi-layered + sandbox | Strong | Strong on BEC | Decent | None |
| Outbound DLP & encryption | Yes | Yes | Varies | Basic | None |
| Platform integration | Native Security Fabric | Own platform | Own platform | Microsoft ecosystem | None |
| Best fit | Comprehensive gateway, Fabric-integrated, flexible deployment | Email-security specialists | Cloud-native AI BEC for M365/Workspace | Basic needs, M365-only | Nobody — email must be defended |
Which approach fits you?
Honest fit signals — because the fastest way to lose your trust is to pretend one product wins every scenario.
Choose FortiMail if…
- You want comprehensive gateway email security — inbound + outbound
- Sandboxing for unknown/zero-day threats matters
- You want outbound DLP and encryption, not just inbound
- You're a Fortinet estate wanting Fabric-integrated email intelligence
Proofpoint / Mimecast if…
- You want a pure-play email-security specialist (Mimecast hub live)
Choose Abnormal if…
- You want cloud-native, API-based, AI-native BEC protection for M365/Workspace
M365 native only if…
- Basic needs — but native filtering often isn't enough against advanced threats
No email security if…
- Never — email is the #1 attack vector and must be defended
Fortinet FortiMail is one of 36 email security products TechBag carries. The Email Security guide narrows them to a shortlist and shows the reasoning. →
What do email threats cost you?
Drag the sliders (count users; IT-hour cost as loaded incident rate). Estimates assume ~1.5 hours per user per year handling email threats that reach the inbox without AI filtering, with ~70% removed by stopping the mass at the gateway — the avoided-breach value (most attacks start here) is the larger, unpriced win. Illustrative.
Loaded cost = salary + overheads per productive hour. Illustrative only — your TechBag quote models your actual environment and modules.
Three ways to consume it
FortiMail is quote-based via the channel — priced by deployment (appliance, virtual, or FortiMail Cloud) and capacity (mailboxes/users and email volume). FortiMail Cloud is typically per-user/year; appliances by model. TechBag scopes and quotes it in INR/GST.
FortiMail
Best for email security
- Multi-layered inbound (phishing/BEC/malware)
- Sandboxing for unknown threats
- Outbound DLP + encryption
+ Platform add-ons
Best for a broader rollout
- Scoped to your estate
- Add-on modules as needed
- Phased, right-sized deployment
+ Fabric / FortiSandbox
Best for correlated defence
- Email intelligence shared platform-wide
- Deeper sandboxing via FortiSandbox
- TechBag scopes the mix
Buy it for less — TechBag pricing beats list
Whatever the list prices above, TechBag negotiates a significantly better deal — with GST-compliant INR invoicing and local support. Ask us for your discounted quote.
Get an India-ready quote
Tell us your requirements and current tools — we’ll model it against what you spend today.
The 8 questions to ask every vendor
Take this into your next vendor call — including ours.
Confirm anti-phishing, BEC/impersonation, anti-malware, anti-spam and URL/attachment analysis meet your threat profile.
Test sandboxing (FortiSandbox/cloud) catching unknown/zero-day attachments and URLs.
Verify outbound DLP stops sensitive data leaving and prevents domain abuse.
Confirm email encryption meets your confidentiality/compliance needs.
Confirm it protects your mail platform (M365, Google Workspace, on-prem) effectively.
Choose appliance, virtual or cloud (FortiMail Cloud) to fit your environment.
For Fortinet estates, confirm email intelligence flows to/from FortiGate, FortiClient, FortiSandbox.
Right-size FortiMail licensing/capacity — TechBag scopes and quotes in INR/GST.
Questions buyers ask
Ready to defend the #1 attack vector?
Scope a FortiMail PoC (phishing/BEC/malware caught, sandboxing for the unknown, outbound DLP), see how it strengthens M365/Workspace, or let a TechBag advisor plan your email security.
Stats, ratings, review counts and pricing are illustrative and sourced from public materials; verify before purchase.