Email Security

Hello,  Outgoing and/ or incoming mail flow has/have huge delays, mails are not delivered to specific domains and multiple smtp error messages are observed. Unfortunately, it happened to our appliances 3 times in 2021 for different reasons each time,...

We want to block outgoing mail to particular sender domain but by mail server ip. PLEASE HELP HERE THAT HOW CAN WE ACHIEVE IN CISCO CES?

Hello there, where do I configure CES to use TLS when delivering message to my e-mail server? (CES receive a external message and then delivery to my internal server).Would it be in Destination Control?

Sorry - did not see this in the documentation, and I'm trying to clarify for some internal user docs. If you have "Easy Open" enabled, does a first time Cisco Secure Email Encryption Service/CRES user (recipient with no previous account) have to: a) ...

How to know when ESA or SMA upgraded ?

We are aware that Cisco Talos has been continuously integrating public threat feeds into its own threat feed library as part of the built-in feeds on-prem ESA. Is there a way to know which threat feeds of which vendor are integrated? With this info, ...

Async OS 12.1 is used. The only entry provided to enable ETF for IP reputation check is through HAT. I have the need to filter out some traffic based on destination address, but couldn't find a way to add in the condition. Is it possible? Thanks!

Hi,I had a look at this kb: How do I stop the ESA from adding a received header to my outgoing email messagesIs it correct it will only prevent to add the Received header at the ESA step. All "Received" headers added by the Exchange servers will stil...

How to know ETF (External Threat Feed) engine enabled on IronPort or not ?Also, what's the feature key name of ETF ?

We recently have enabled SAML for authenticating administrators on our SMA in CES.  We are using Azure AD.  We used to use local accounts on the SMA.  We would like to remove all of our local accounts we created, however we have some accounts that ar...