FortiMail is a proven, best-in-class secure email gateway solution used tens of thousands of customers worldwide to protect well over a hundred million mailboxes. FortiMail has been independently validated for high catch-rates, leading accuracy and excellent overall security efficacy by testing firms including SE Labs, VB Labs, ICSA, and NSS, among others. For example, FortiMail was recently awarded a ˜AAA rating, the top rating a vendor can receive, by SE Labs
| Model role | FortiMail 400F secure email gateway appliance (hardware-only) |
| Licensing | Hardware appliance only; add FortiMail Security Services and FortiCare support as needed |
| Form factor | 1U rack-mount appliance |
| Redundancy | Dual hot-swappable AC PSUs; RAID-capable internal storage |
| Interfaces | Multiple 1GE RJ45 and SFP interfaces; dedicated management and console |
| Deployment modes | Gateway, Transparent (in-line), Server, and Hybrid with FortiMail Cloud |
| Appliance class and OS | Fortinet FortiMail 400F; FortiMail OS secure email gateway platform |
| Deployment modes | Gateway, Transparent, Server, Hybrid (with FortiMail Cloud) |
| Mail protocols and standards | SMTP/ESMTP, SMTPS, STARTTLS, POP3/IMAP (server mode), SPF, DKIM, DMARC, MIME, DSN |
| Anti-spam and antivirus | Multi-layer antispam (reputation, sender auth, heuristics/ML, Bayesian, greylisting) and antivirus with outbreak prevention |
| Advanced analysis and integrations | FortiSandbox integration, URL/URI rewriting and click protection, botnet IP detection |
| Data loss prevention and compliance | Regex/dictionary DLP, document fingerprinting, CDR, quarantine workflows, audit/compliance reporting |
| Encryption and key management | TLS enforcement, S/MIME, Fortinet IBE, per-domain certificate and policy controls |
| Directory and authentication | LDAP/AD/LDAPS integration, recipient verification, SMTP AUTH, multi-tenant domain isolation |
| High availability | Active-passive HA with synchronized configuration and spooling; clustering for scale-out scanning |
| Hardware and I/O | 1U chassis; multiple 1GE RJ45 and SFP ports; MGMT and console; RAID-capable internal storage for quarantine/spool; dual hot-swap PSUs; web UI/CLI/REST API/SNMP |
Yes, the Fortinet FML-400F Security Appliance is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This FML-400F is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The FML-400F comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the FML-400F from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
Your cart is empty
