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.
I am trying to strip an .scr attachment which is under compressed file .cab. I have written below filter, but its not resulting out to be effective Strip_Encrypt_Attachment_MF3: if (recv-listener == "ExternalMail") AND (attachment-filetype == "cab") ...
I tried accessing the Cisco IronPort KB this morning only to find out that all articles have been removed. You are now supposed to utilize the TechNotes in the respective product page. How on earth are you supposed find anything in this convoluted me...
(If this is in the wrong community please place it in the correct one.) I recently renewed my Cisco Ironport C160 for 3 years. It has been blocking most spam successfully for the past couple of years we've had it. With it in place we almost never e...
Dear Team, One of our customer has a requirement like he wants to prioritize particular two email addresses and wants those two email address to be delivered as soon as they come in the mail queue. Meaning If we have 5000 mails in the queue and sudde...
Hi all, i have 2x ESA and thinking about clutering them. Version is 8.5.6 so no need of feature key to cluster the configuration.My doubt is that my ESA are alredy configured as per mail flow policies, sender groups, routing smtp routes and so on.Wha...
Hi there I am hoping to use Send To Alternate Destination Host, but what if the host is down? Is there any way to specify a failover host, in case the first is down? Alternatively could I use a DNS entry here with multiple MX records (eg. round-rob...
Hi All, I am abit of a greenthumb when it comes to our Ironport appliances, but I have been assigned a task that I am stuck on. Basically we use Google Apps for our mail, with Ironport being the gateway into our old legacy environment. I need to get...
Hello, Is there a way to increase the database storage size for mail flow central without re installing it? I cut down the # of months to store data, but this didn't do anything. Can you increase the storage capacity of the database without re-inst...
Hi, I am trying to work with Cisco CRES on Ironport Email security.I am wondering if we can make the reply from the CRES unsecure ( because i have some users with no internet access to read the email when someone reply) Is is feasable ? Regards,
Hi all, i have an ironport environment, working well. One data intereface and one listener for incoming and outgoing emails traffic.my customer asked me to be sure that his domain for emails, example mydomain.com always be blocked in incoming as a se...
Hi If I have a content filter acting on incoming mail which adds or edits a header, does this immediately affect the header, ie. can I immediately afterwards have an incoming filter which uses the header as a condition? John
Hi all, 2 ESA C680 configured for centralized spam quarantine, pov and tracking to a SMA M680, interfaces in same subnet.I see quarantine counts in ESA increasing and also in SMA but if i open the centralized quarantine i cannot find any message.My i...
