FortiMail-400C
Fortinet FortiMail 400C — Fortinet FortiMail-400C email security appliance
Lifecycle position
Options from here
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in FortiMail 400C
FortiMail-400C — questions
Is the Fortinet FortiMail-400C still supported?
No. Fortinet's last date of support for FortiMail-400C was Sep 2021 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiMail-400C reach end of sale?
FortiMail-400C reached end of sale Sep 2016, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiMail-400C?
Sep 2021 — per the Fortinet end-of-sale bulletin.
Can the FortiMail-400C be maintained after Fortinet support ends?
After the last date of support, FortiMail-400C units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.