SonicWall Email Security 4300 — End-of-Life & EOSL Dates
SonicWall Email Security 4300 email security appliance. Last-order-day (end-of-sale) and end-of-support (EOSL) dates as published by SonicWall in its own Product Life Cycle Tables, linked for verification.
Every tracked SonicWall Email Security 4300 SKU group is past SonicWall end of service life (last group Apr 2020). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.
End of sale
Mar 2017
Last date of support
Apr 2020
Part numbers
1
77
months past last support
Why this score
- Past end of service life — 77 months ago
- Vendor-published date, source-linked
- Category: email security appliance
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part number in this family
All 1 share the dates above. Find your exact part to confirm.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| Email Security 4300 | SonicWall Email Security 4300 email security appliance | Mar 2017 | Apr 2020 | Past support |
Options from here
The SonicWall Email Security 4300 is past SonicWall end of service life. These are the paths teams take 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.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
SonicWall Email Security 4300 — questions
Is the SonicWall Email Security 4300 end of life?
Yes. Every tracked Email Security 4300 SKU group is past its last date of support.
What is the last date of support for the Email Security 4300?
Apr 2020, per the SonicWall end-of-sale bulletin.
Where do these Email Security 4300 dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official SonicWall end-of-sale bulletin it was taken from.
On the same timetable
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