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,
With a view to helping reduce inbound spoofed mail I recently enabled reverse PTR & forward 'A' checking against our 'suspectlist' sender group which behaved fine however having then also created an additional sender group 'Unverified' along...
Hi,One of our clients running Cisco IronPort ESA is having a challenge sending mails to some local domains (e.g. recipient.co.ke - sample non-existent domain) and keeps getting the error below:#< #5.0.0 smtp; 5.1.2 - Bad destination host 'DNS Hard Er...
Hello,
I have a cluster of 3 C670s and one M1070. Somehow i noticed that the tracking data in Management appliance remains 70 mins delayed.
In GUI>Message tracking data availability , i see Status as "Not updated in 70 minutes".
smad_logs shows th...
A RAID-event has occurred:RAID disk 1 rebuild start at 0.RAID states changed from "OPTIMAL" to "SUBOPTIMAL"Version: 8.0.1-023 What to do?Is this for change of HW appliance?
I am having an issue with people who have multiple SMTP addresses. The Spam/Graymail seems to work for their primary SMTP but not for the other addresses. Is this the way its supposed to be and if not how can I have it do all the addresses?
Hello,
could I have please a feedback about the bug and it's resolution status of Defect CSCuy53537?
It is regarding the error message:
Cisco Ironport C370 Message Scanning Problem: local variable 'tmp_file_path'
Thank you.
Regards,
Sandor
I'm looking to build a dashboard website and the pre-Cisco API tools don't seem to work on any of the current platforms. https://supportforums.cisco.com/document/33721/cisco-ironport-systems-contributed-toolsI know they worked for a while after the m...
Hi Team,
Except the hardware , are there any major difference between ESA C390 & ESA C170 ?
For example, are there any updates to the firmware in updated appliance, advancements in the DLP portion of the Email appliance...etc.
Thanks in advance
Hello Experts,
I want to know that if I deploy the ESA into my network without public IP address with a config on the ASA as if is there any traffic for port 25 then forwards it to the ESA then to the Exchange.
I have published my firewall's public...
Hello,
I have a pair of C170's that have SHA-1 certificates on them, and I need to get them swapped for SHA-2.
I can re-issue the certificates from GoDaddy, but what is the process for installing them in the C170? I'm not creating a new CSR, or ch...
When AMP sends a file off for analysis and is configured to quarantine, it will rescan on release. So in the event of a malicious verdict, that message we will have dropped. My question is if something returns as unscannable (cloud service is down)...
Hi,
i'm facing a strange behaviour...
let me explain :
mail sent from "A" to both "B" and "C" go to quarantine because it's spam suspected ( and this is fine ).
The problem is this :If "B" access his quarantine and release the mail, he release it f...
hello,
I have this message :
The Critical message is: Log Error: Subscription gui_logs: Log partition is full.
Version: 7.5.1-028
log partition is full and I can't access to remote admin, no ftp, no ssh, no telnet
the machine is stopped, I can't do ...
I was trying to upgrade to 9.7.2-build 46 and noticed a warning regarding certs. My C170 is currently running the demo cert. Do I need to install a new cert to install 9.7.2?
