Key facts
- Brand
- Cisco
- Model
- AsyncOS 9.1
- Category
- Other Electronics
- Industry
- Computers
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-10-13
Start here
Cisco AsyncOS 9.1 Email Security User Guide
This guide provides step‑by‑step instructions for installing, configuring, and operating Cisco AsyncOS 9.1 on email security devices. It covers initial access via the web GUI or CLI, system setup, and integration with Active Directory.
The manual details mail pipeline components, host and recipient access tables, reputation filtering, content filtering, antivirus, anti‑spam, and burst‑filter features, along with troubleshooting and best‑practice recommendations. This manual is written in Chinese.
All Cisco AsyncOS 9.1 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Which hardware models are supported by AsyncOS 9.1?
Supported hardware includes all virtual device models and specific physical models such as C380, C680, C170, and certain C370, C370D, C670, or X1070 devices.
From: Cisco Email Security Appliance AsyncOS 9.1 Release Notes
Which hardware models are NOT supported by AsyncOS 9.1?
This version does not support the C160, C360, C660, and X1060 hardware models.
From: Cisco Email Security Appliance AsyncOS 9.1 Release Notes
What is the purpose of the Host Access Table (HAT)?
The HAT defines which hosts are allowed to connect to the email security device.