Fortinet FortiMail VM04

Fortinet VM04. Virtual Email Security Gateway — 4 vCPU

FortiMail VM04 is licensed for up to 4 vCPUs and is built for mid to large enterprises that need substantially more throughput and mailbox capacity than the VM01/VM02 tiers provide. It supports up to 500 protected email domains and roughly 1,500 server-mode mailboxes, with email routing throughput of roughly 306,000 messages per hour — nearly 5x that of VM02. VM04 also raises the maximum supported RAM to 16 GB and the minimum vNIC allowance to match higher-tier models, giving it enough headroom for full Data Loss Prevention, Centralized Quarantine, and Enterprise ATP scanning at scale.

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VM04 Key Specs

Licensed vCPUs

4 vCPU (maximum)

Memory Range

4 GB minimum / 16 GB maximum

Storage

250 GB minimum / 4 TB maximum

Email Routing Throughput

~306,000 msgs/hour

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Specifications

VM04 at a Glance

Virtual Hardware Requirements

vCPU: 4 (maximum)
RAM: 4–16 GB
Disk: 250 GB minimum / 4 TB maximum
vNICs: 1–6

Capacity & Performance

Protected domains: 500
Server-mode mailboxes: ~1,500
Email routing: ~306K msgs/hour
FortiGuard Antispam + AV: ~279K msgs/hour
Enterprise ATP: ~225K msgs/hour

Supported Platforms

Hypervisors: VMware ESX/ESXi 6.0+, Microsoft Hyper-V, Citrix XenServer, KVM
Cloud: AWS, Microsoft Azure, Google Cloud Platform, Oracle Cloud Infrastructure, Nutanix AHV

Deployment & Licensing

Modes: Gateway, Transparent, Server
Included: Data Loss Prevention, Centralized Quarantine
Optional: Microsoft 365 / Google Workspace email API integration
Ideal for: Mid to large enterprises

Not Sure Which FortiMail VM Fits Your Environment?

Compare vCPU tiers, memory limits, and throughput across the full FortiMail VM lineup — VM01 through VM08 — to find the right fit for your organization's mail volume.

Compare FortiMail VM Models

VM04 FAQ

How many vCPUs does FortiMail VM04 support?

VM04 is licensed for 4 vCPUs maximum, positioning it for mid to large enterprise deployments beyond what VM01/VM02 can handle.

What RAM and storage does VM04 require?

VM04 supports 4 to 16 GB of RAM and 250 GB minimum up to 4 TB of storage, roughly double the ceilings of VM02.

How much more throughput does VM04 offer over VM02?

VM04 handles roughly 306,000 messages/hour of email routing versus VM02's ~67,000/hour — nearly a 5x jump despite only doubling the vCPU count, reflecting its larger recommended sizing tier.

Does VM04 include Data Loss Prevention and Centralized Quarantine?

Yes. Data Loss Prevention and Centralized Quarantine are included from the VM02 tier up, so VM04 has both by default.

Can FortiMail VM04 be deployed in a public cloud environment?

Yes, VM04 is supported on AWS, Microsoft Azure, Google Cloud Platform, Oracle Cloud Infrastructure, and Nutanix AHV in addition to on-premises hypervisors.

Ready to Deploy FortiMail VM04?

Get expert help sizing your VM04 license, service contract, and hypervisor setup — request a quote from a Firewalls.com FortiMail specialist today.

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Fortinet FortiMail-VM04 Virtual Appliance

FortiMail device acts as a standalone messaging server with full SMTP email server functionality

Automatically encrypt messages for compliance, based on content or recipient

Use Push, Pull, or a combination of modes to meet your requirements

Deploy IBE in any mode, including Transparent mode, without user provisioning or additional hardware

Provides inbound and outbound proxy mail transfer agent (MTA) services for existing email gateways

Flexible support for secure POP3, IMAP, & WebMail access

Manufacturer Part #: FML-VM04

NOTICE: Fortinet License & Renewal products can only be activated in the United States of America.
$17,033.64
22% OFF! $21,838.00

Product Details →
Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 1 Year

FortiMail device acts as a standalone messaging server with full SMTP email server functionality

Automatically encrypt messages for compliance, based on content or recipient

Use Push, Pull, or a combination of modes to meet your requirements

Deploy IBE in any mode, including Transparent mode, without user provisioning or additional hardware

Provides inbound and outbound proxy mail transfer agent (MTA) services for existing email gateways

Flexible support for secure POP3, IMAP, & WebMail access

Manufacturer Part #: FC-10-0VM04-642-02-12

NOTICE: Fortinet License & Renewal products can only be activated in the United States of America.
$9,608.72
12% OFF! $10,919.00

Product Details →
Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 3 Year

FortiMail device acts as a standalone messaging server with full SMTP email server functionality

Automatically encrypt messages for compliance, based on content or recipient

Use Push, Pull, or a combination of modes to meet your requirements

Deploy IBE in any mode, including Transparent mode, without user provisioning or additional hardware

Provides inbound and outbound proxy mail transfer agent (MTA) services for existing email gateways

Flexible support for secure POP3, IMAP, & WebMail access

Manufacturer Part #: FC-10-0VM04-642-02-36

NOTICE: Fortinet License & Renewal products can only be activated in the United States of America.
$28,826.16
12% OFF! $32,757.00

Product Details →
Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 5 Year

FortiMail device acts as a standalone messaging server with full SMTP email server functionality

Automatically encrypt messages for compliance, based on content or recipient

Use Push, Pull, or a combination of modes to meet your requirements

Deploy IBE in any mode, including Transparent mode, without user provisioning or additional hardware

Provides inbound and outbound proxy mail transfer agent (MTA) services for existing email gateways

Flexible support for secure POP3, IMAP, & WebMail access

Manufacturer Part #: FC-10-0VM04-642-02-60

NOTICE: Fortinet License & Renewal products can only be activated in the United States of America.
$48,043.60
12% OFF! $54,595.00

Product Details →

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Fortinet FortiMail VM04

Fortinet VM04. Virtual Email Security Gateway — 4 vCPU

VM04 at a Glance

Virtual Hardware Requirements

Capacity & Performance

Supported Platforms

Deployment & Licensing

Not Sure Which FortiMail VM Fits Your Environment?

VM04 FAQ

Ready to Deploy FortiMail VM04?

You'll always get our best prices when you're signed in!

Fortinet FortiMail-VM04 Virtual Appliance

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 1 Year

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 3 Year

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 5 Year

FAQ

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Fortinet FortiMail VM04

Fortinet VM04. Virtual Email Security Gateway — 4 vCPU

VM04 at a Glance

Virtual Hardware Requirements

Capacity & Performance

Supported Platforms

Deployment & Licensing

Not Sure Which FortiMail VM Fits Your Environment?

VM04 FAQ

Ready to Deploy FortiMail VM04?

You'll always get our best prices when you're signed in!

Fortinet FortiMail-VM04 Virtual Appliance

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 1 Year

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 3 Year

Fortinet FortiMail-VM04 24x7 FortiCare and FortiGuard Base Bundle - 5 Year

FAQ

Resources

Why Buy From Us?

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