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Important Announcements

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:

- Secure Email Encryption Service Add-In from the CRES Admin Dashboard

- Secure Email Submission Add-In from the Cisco Software Download Portal

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.

 

Forum Posts

  Important: Migrate from Secure Email Virtual C100V Models to Avoid McAfee-Related Issues Dear Valued Customer, We are reaching out to ensure your Cisco Secure Email environment continues to operate at optimal performance and reliability. As worklo...

dmccabej by Cisco Employee
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dears, we have enabled the mcafee antivirus, however it is not updating, the DAT is outdated, the tail command shows:Tue Nov 13 11:33:50 2012 Info: Started handler for updates; updates are now startedTue Nov 13 11:33:50 2012 Info: Automatic updates d...

Our vendor's just tipped us off to this:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121108-sophosA lot of the Cisco articles just reference the same material; I'm having to guess the full impact of the bug from Sop...

exMSW4319 by Level 3
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I've written some PowerShell functions for gathering data from Ironports (using the XML status pages). Kind of like the current Perl tools on the Ironport Support portal, but better 8)I am using it to aggregate Top Hosts info, Ironport status etc fro...

Hi All,I've just recently deployed an Ironport C370 and I realize, after 2 weeks of running, there are some discrepancies in the counts under overview and virus types. Under overview, we can see that the count is 39 messages caught by the anti-virus,...

dears please helo me with the following warning A RAID-event has occurred:RAID disk 1: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly RAID disk 1: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - co...

Hi Folks,Can I make my core device to send a mail when devices under it goes down for any reasonRegards Thanveer "Everybody is genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is a stupid."...

hy thereOne doubtis there a way to have w listeners on the same interface.for example, right now i have an incoming listener on the interface on port 25.I want to add a second listener for outbound on the same interface and the same port 25.is that p...

I have some end-users who want all messages by default to be flagged for encryption.  I made them aware that they only have to take 1 second to toggle the Encryption Flag button to on but they are insisting they want this on by default with the optio...

Hi Team,We need to configure a cisco ironport appliance  for securing outgoing mail for one of my banking customer. They need to send only alert emails to their customers and no need to recieve any email back from the customer [inbound email function...

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