Cisco Secure Email Add-Ins No Longer Supported on Microsoft Outlook 2019
This is to inform you that, effective October 14, 2025, Microsoft Outlook 2019 is no longer supported for the Secure Email Encryption Service Add-In and Secure Email Submission Add-In.
To continue using these Add-Ins, we recommend upgrading to Microsoft 365. Starting October 2025, download and install the new manifest for:
After downloading the manifests, follow the instructions provided in the Submission and Encryption Add-In guides. For more information, see: Cisco Email Encryption - End-User Guides.
TLS 1.0/1.1 Deprecation from AsyncOS for Secure Email Gateway, Starting version 16.5
We would like to inform you that starting with the AsyncOS 16.5 release, TLS versions 1.0 and 1.1 will no longer be available as configuration options in both the CLI and GUI.
To ensure secure email delivery and receipt, you should use TLS versions 1.2 and 1.3. These versions can be configured via the sslconfig CLI command or through the System Administration > SSL Configuration menu in the user interface.
For detailed instructions on updating TLS versions, please refer to the “System Administration” section of the User Guide for AsyncOS 16.0.x for Cisco Secure Email Gateway.
Hi,
I observed in ESA Message Tracking that the % completion on Data-Time-in-Range is only 6% but before it was almost 90% completion. Also tried to change the time range but it still the same 6%.
Is this behavior normal? or does the message on ESA...
Hi,
Could you please answer to below questions.
IronPort c670 appliances are hitting End of SW Maintenance Releases HW by July 27, 2017 - I would like to know is it true?If above statement is true then how we need to proceed further?Also, could you p...
Has anyone run into where, i.e., chrome, doesn't work when accessing the Quarantine page, or ever the WebAdmin GUI? We seen where the browser prompts for credentials repeatedly or Chrome reports:
Error Response
Error Code 500: Server got itself in...
Hello,
I am trying to determine how long emails that are encrypted using the Cisco Registered Envelope Service are stored in the cloud? If possible, I was hoping I could make a screenshot of this setting for auditing purposes.
Thank you in advance...
Hello,
When i send an emai from my personal account to my corporate email Cisco ESA can't verify DKIM signature. The message is dkim=hardfail (body hash did not verify [final])
But when i send an email from the personal accont to the Gmail, eveything...
Hello
I am am unable to login to the C170 with admin UN/PWD and understand that i need to contact Cisco for a temp password for the adminpassword account.
We do not have a Cisco Account so i tried to register the device at Cisco Device using the SN s...
i need to know if i have 3 sites and i will add 2 devices (ESA C190) in the main branch and another one in the DR site (ESA C190) , I need to buy licence ESA-ESP-LIC, each site contain 1000 user i must to purchase for each appliance in each site lic...
Hello,
I have noticed that an email can be sent to several Quarantines.
For example, the message can be stored in VOF quarantine, and Policy Quarantine.
How is handled the message when we release the message from one quarantine? Is it also released ...
Dear All
I have a problem in CLI ssh for my cisco Ironport , and i got this message when enter
500 #5.5.1 command not recognized421 Exceeded allowable connection time, disconnecting.
and it didn't appear in active sessions in GUI
Hello,
When creating a policy rule for incoming emails, is there a best practice article? I am trying to determine if it would be best to use an AD group that would contain approximately 1000 users or if it would be better to add them to the rules r...
