Mail security and spam prevention
The hosted service (HSP), virtual machine (VSP) and hardware (SPG) spam prevention appliances are fight spam, viruses, phishing, malware and other threats, with less than 1 in 5 million reported false positives. Read more.
| HSP | VSP | SPG-150 | SPG-300 | SPG-400 | SPG-500 |
|---|---|---|---|---|---|
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| Buy | Buy | Buy | Buy | Buy | Buy |
| Renew | Renew | Renew | Renew | Renew | Renew |
Firewalls
The security gateway (SX) series are high-performance, hardware accelerated appliances running our mature and feature-complete H/OS network operating system. Read more.
| SX-60 | SX-150 | SX-250 |
|---|---|---|
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| Buy | Buy | Buy |
| Renew | Renew | Renew |
Legacy models
| SPG-100 | SPG-200 | SX-50 | SX-101 | SX-200 |
|---|---|---|---|---|
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| Renew | Renew | Renew | Renew | Renew |













