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 to all.I have 2 questions:1 If in Cisco present dynamic list of "known black senders" or domains, sending malicious or spam messages2 If yes, who I can to connect this dynamic database to Email Security Thanks
I need to have certain senders excluded from a content filter.
For the condition which is better for the Sender envelope and what is the big difference in the options.
Contains term in content dictionary or Envelope Sender contains or ends With?
Hi, we have several cases where a message to several recipient (almost a campaign) is sent out from a user (an invitation to an event, usually). Replies to these emails are getting caught by graymail engine as Bulk, and quarantined according to polic...
Hi,
We are migrating our architecture from ESA to CES.
We are wondering how to redirect email traffic from the CES cloud platform to our mail servers in our LAN:
Should we redirect to our public IP with a port translation ?
Should we keep our...
I created a spoofed email policy per this KB https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/200166-Quarantine-Spoofed-Email-Messages-on-the.html
And so far it is working. But how is spoofed email different from forged e...
Followed the "Detect Spoofed Email Message" article.
https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/200166-Quarantine-Spoofed-Email-Messages-on-the.html
But when we get to Create a Message Filter using the CLI, we can'...
We are looking for a way to easily identify emails from external sources coming into our organization for training our employees to handle these external emails with care.
Two examples that other finantial institutions are using is one, in the subjec...
Dear All I am start using ironport recently. But found out that it only eble to communicate via 25. It is a none encrypted connection. Can i use encrypted connect between Exchange (my mail server) and ironport? My 2nd question is if i use ironport en...
Hello all, hopefully an easy question here. I just wanted to get a confirmation that enabling DMARC on the Ironport appliance is going to work the way I envision it working.
Assume you have a DMARC compliant domain and it is already in reject mode,...
Hello Support,
We have received from Ironport an alert
"The Warning message is:
The python was restarted due to an error. A debug file was generated for troubleshooting. Please contact your authorized support center.
Version: 11.0.0-274"
Do you h...
hi expert
kindly i need your help regarding the value of selector of DKIM as my configuration as below:
Ø SPF Record
o test.com TXT v=spf1 mx:esa1-test.com ip4:1.1.1.1 ~all
Ø DKIM Record
o selector1._domainkey.test.com TXT ...
Good morning,
We are currently running Cisco Cloud Email Security. Over the past week or 2, we have noticed some slowness with AMP File Analysis scanning. Previously, it would take 10 - 15 minutes for a scan of an email attachment. We have a 1 hou...
Hello everyone. I changed my job couple of days ago and getting familiar with system here. I do not have to much experience with email security appliances. What I saw in current ESA deployment that previous workers here added sender with Global IP ad...
For the SMA End User Spam Quarantine we currently let users log in to view/release/delete their spams via LDAP authentication against our Active Directory. This LDAP query looks for all of the user aliases via the proxyAddresses attribute and therefo...
