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Cisco Secure Email Gateway
Release Notes
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URL Reputation Verdict Name Changes
Firmware Update Release Notes
File Reputation and File Analysis Updates
Software Lifecycle Support Statement
URL Category Updates
AsyncOS 16.x for Cisco Secure Email Gateway
AsyncOS 15.x for Cisco Secure Email Gateway
AsyncOS 14.2 for Cisco Secure Email Gateway
AsyncOS 14.0 for Cisco Secure Email Gateway
AsyncOS 13.7 for Cisco Email Security Appliances
AsyncOS 13.5 for Cisco Email Security Appliances
AsyncOS 13.0 for Cisco Email Security Appliances
AsyncOS 12.5 for Cisco Email Security Appliances
Miscellaneous
High-Priority Issues
Open Source Software Licensing Information
Cisco Domain Protection and Advanced Phishing Protection
URL Reputation Verdict Name Changes
Announcement for URL Reputation Verdict Name Changes in Cisco Email Security Gateway
22/Nov/2019
Firmware Update Release Notes
Firmware Update for x95 Series Cisco Secure Email Gateway and Cisco Secure Email and Web Manager
(PDF - 215 KB)
28/Jun/2024
File Reputation and File Analysis Updates
Announcement for Decommissioning Legacy File Reputation Servers for Cisco Email Security Gateway
(PDF - 1 MB)
25/Sep/2020
Release Notes for File Reputation and File Analysis Updates for Cisco Secure Email Gateway and Cisco Secure Web Appliance
(PDF - 112 KB)
28/Jun/2023
Software Lifecycle Support Statement
Cisco Secure Email Gateway Software Lifecycle Support Statement
(PDF - 99 KB)
02/Oct/2024
New
URL Category Updates
Release Notes for URL Category and Threat Category Updates for Cisco Web and Email Security Appliances
(PDF - 1 MB)
28/Jan/2021
AsyncOS 16.x for Cisco Secure Email Gateway
Release Notes for AsyncOS 16.0 for Cisco Secure Email Gateway - GD (General Deployment)
(PDF - 314 KB)
29/Oct/2024
Updated
AsyncOS 15.x for Cisco Secure Email Gateway
Release Notes for AsyncOS 15.5.2 Hot Patch 1 for Cisco Secure Email Gateway
(PDF - 99 KB)
24/Sep/2024
Updated
Release Notes for AsyncOS 15.5.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 372 KB)
20/Aug/2024
New
Release Notes for AsyncOS 15.5.1 Hot Patch 1 for Cisco Secure Email Gateway
(PDF - 102 KB)
27/Jun/2024
Release Notes for AsyncOS 15.5.1 for Cisco Secure Email Gateway - GD (General Deployment)
(PDF - 360 KB)
18/Aug/2024
Release Notes for AsyncOS 15.0.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 351 KB)
29/Oct/2024
New
Release Notes for AsyncOS 15.0.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 359 KB)
18/Jun/2024
Release Notes for AsyncOS 15.0.1 Hot Patch1 for Cisco Secure Email Gateway
(PDF - 166 KB)
14/Mar/2024
Release Notes for AsyncOS 15.0.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 442 KB)
30/Nov/2023
Release Notes for AsyncOS 15.0 for Cisco Secure Email Gateway - GD (General Deployment)
(PDF - 394 KB)
14/Nov/2023
AsyncOS 14.2 for Cisco Secure Email Gateway
Release Notes for AsyncOS 14.2.3 Hot Patch 1 for Cisco Secure Email Gateway
(PDF - 158 KB)
07/Dec/2023
Release Notes for AsyncOS 14.2.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 427 KB)
13/Nov/2023
Release Notes for AsyncOS 14.2.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 398 KB)
13/Nov/2023
Release Notes for AsyncOS 14.2.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 387 KB)
14/Nov/2023
Release Notes for AsyncOS 14.2 for Cisco Secure Email Gateway - GD (General Deployment)
(PDF - 367 KB)
13/Nov/2023
AsyncOS 14.0 for Cisco Secure Email Gateway
Release Notes for AsyncOS 14.0.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 512 KB)
07/Jan/2024
Release Notes for AsyncOS 14.0.2 Hot Patch1 for Cisco Secure Email Gateway
(PDF - 161 KB)
07/Jan/2024
Release Notes for AsyncOS 14.0.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 501 KB)
07/Jan/2024
Release Notes for AsyncOS 14.0.1 Hot Patch3 for Cisco Secure Email Gateway
(PDF - 158 KB)
07/Jan/2024
Release Notes for AsyncOS 14.0.1 Hot Patch1 for Cisco Secure Email Gateway
(PDF - 163 KB)
08/Jan/2024
Release Notes for AsyncOS 14.0.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment)
(PDF - 456 KB)
08/Jan/2024
Release Notes for AsyncOS 14.0 for Cisco Secure Email Gateway - GD (General Deployment)
(PDF - 413 KB)
08/Jan/2024
AsyncOS 13.7 for Cisco Email Security Appliances
Release Notes for AsyncOS 13.7 Hot Patch1 for Cisco Email Security Appliances
(PDF - 159 KB)
30/Jan/2024
Release Notes for AsyncOS 13.7 for Cisco Email Security Appliances - GD (General Deployment)
(PDF - 298 KB)
29/Jan/2024
AsyncOS 13.5 for Cisco Email Security Appliances
Release Notes for AsyncOS 13.5.4 Hot Patch1 for Cisco Email Security Appliances
(PDF - 158 KB)
29/Jan/2024
Release Notes for AsyncOS 13.5.4 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 383 KB)
05/Feb/2024
Release Notes for AsyncOS 13.5.3 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 366 KB)
05/Feb/2024
Release Notes for AsyncOS 13.5.2 Hot Patch2 for Cisco Email Security Appliances
(PDF - 163 KB)
30/Jan/2024
Release Notes for AsyncOS 13.5.2 Hot Patch1 for Cisco Email Security Appliances
(PDF - 158 KB)
30/Jan/2024
Release Notes for AsyncOS 13.5.2 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 354 KB)
05/Feb/2024
Release Notes for AsyncOS 13.5.1 for Cisco Email Security Appliances- GD (General Deployment)
(PDF - 373 KB)
05/Feb/2024
Release Notes for AsyncOS 13.5 for Cisco Email Security Appliances- LD (Limited Deployment)
(PDF - 287 KB)
05/Feb/2024
AsyncOS 13.0 for Cisco Email Security Appliances
Release Notes for AsyncOS 13.0.5 for Cisco Email Security Appliances - MD (Maintenance Deployment)
(PDF - 1 MB)
05/Feb/2024
Release Notes for AsyncOS 13.0.4 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 1 MB)
05/Feb/2024
Release Notes for AsyncOS 13.0.3 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 1 MB)
05/Feb/2024
Release Notes for AsyncOS 13.0.2 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 1 MB)
05/Feb/2024
Release Notes for AsyncOS 13.0.1 for Cisco Email Security Appliances- MD (Maintenance Deployment)
(PDF - 1 MB)
05/Feb/2024
Release Notes for AsyncOS 13.0 Hot Patch 1 for Cisco Email Security Appliances
(PDF - 158 KB)
05/Feb/2024
Release Notes for AsyncOS 13.0 for Cisco Email Security Appliances- GD (General Deployment)
(PDF - 998 KB)
05/Feb/2024
AsyncOS 12.5 for Cisco Email Security Appliances
Release Notes for AsyncOS 12.5.3 Hot Patch1 for Cisco Email Security Appliances
(PDF - 1 MB)
27/Apr/2021
Release Notes for AsyncOS 12.5.3 for Cisco Email Security Appliances - MD (Maintenance Deployment)
(PDF - 282 KB)
19/May/2023
Miscellaneous
Release Notes for the RAID Diagnostic Tool for 80-Series Cisco Email Security, Web Security, and Content Security Management Appliances
(PDF - 119 KB)
30/May/2016
Installing a Memory Upgrade for the Cisco S370, C370, C670, or X1070 Content Security Appliances
(PDF - 495 KB)
11/Sep/2015
Cisco IronPort Hard Drive Firmware Upgrade for C160, S160, and M160 Appliances Release Notes (GA)
(PDF - 130 KB)
02/Sep/2010
High-Priority Issues
Release Notes for the June 25, 2015 SSH Vulnerability Patch for Cisco Content Security Virtual Appliances
(PDF - 151 KB)
25/Jun/2015
Open Source Software Licensing Information
Open Source Used In AsyncOS 16.0 for Cisco Secure Email Gateway
(PDF - 16 MB)
02/Oct/2024
Open Source Used In AsyncOS 15.5.1 For Cisco Secure Email Gateway
(PDF - 12 MB)
29/Apr/2024
Open Source Used in AsyncOS 15.0 for Cisco Secure Email Gateway
(PDF - 11 MB)
04/May/2023
Open Source Used in AsyncOS 14.2 for Cisco Secure Email Gateway
(PDF - 8 MB)
26/May/2022
Open Source Used in AsyncOS 14.0 for Cisco Secure Email Gateway
(PDF - 7 MB)
21/Mar/2021
Open Source Used in AsyncOS 13.5 for Cisco Email Security Appliances
(PDF - 4 MB)
02/Jun/2020
Open Source Used in AsyncOS 13.0 for Cisco Email Security Appliances
(PDF - 2 MB)
23/Sep/2019
Cisco Domain Protection and Advanced Phishing Protection
Release Notes for Cisco Advanced Phishing Protection
(PDF - 125 KB)
10/Jul/2020
Release Notes for Cisco Advanced Phishing Protection
(PDF - 194 KB)
03/Mar/2020
Release Notes for Cisco Domain Protection
(PDF - 177 KB)
07/Jan/2020
Release Notes for Cisco Domain Protection
(PDF - 125 KB)
Support Documentation
All Support Documentation for this Series