Email Security

Hi, Can I configure Ironport C170 to relay all our outgoing email through an ISP  mail server which accepts connection on SMTPS with authentication as currently we have this configuration in our environment.Also, can I test it once configured without...

Hello all, hope you can help me to get a bit further in this case. Version 16 of the ESA Cluster. So i have implemeted DMARC / DKIM /SPF  from internal mails which sended in our SPF IPs hosts. Currently to check as we have it as new feature with none...

What type of Hyper V does CISCO support for ESA?

Our CIO has been getting these messges.  I probobly have too but I have email rules to move the junk.   The Warning message is:   Unable to connect to the Cisco Aggregator Server. Details: Invalid response received.   Version: 11.0.0-264 Serial Numbe...

Hello,People can send me emails sometime and I can see that TLS 1.3 was in place, some time same sender is not able to send me email  and get this bounce back alert"The following message to *@domain.com was undeliverable.The reason for the problem:5....

Hi Dear Cisco SupportI see an alert " Warning: Failed to connect to remote host 208.90.58.122:25 sending message to alerts@ironport.com " in ESA log and i never configured ESA to send alerts out to this IP address witch is belong to the Cisco. Could ...

Hello @All,This question has been asked before. However, the proposed solution does not seem to work.https://community.cisco.com/t5/email-security/custom-bounce-message/td-p/5136251If the "bounce()" action is triggered via a message filter, this text...

The Warning message is: The mcafee was restarted due to an error. A debug file was generated for troubleshooting. Please contact your authorized support center.Version: 13.0.5-007Serial Number: 9CD57D419786-WMP260100TNTimestamp: 29 Jun 2025 14:35:00 ...

Anyone with an NMLS ID is required to display them prominently in their email.  Our employees have it embedded in their signature line similar to this:<NAME> | <TITLE>NMLS ID #########P: (###) ###-#### F: (###) ###-####email@address.netThis is causin...

We have received 100s of infected SVG files, and have blocked emails with SVG attachments. We do have two departments who use the files for legitimate reasons, but I don't feel safe allowing them to even a few people if the risk remains high (I've ev...

Hello,I see this Warning in the ESA / AMP Log.  The File Analysis server is not reachable. The AMP File Analysis server CA certificate has expired or is invalid.What can I do?  

May I know the impact?

"Mail delivery client exited due to the maximum concurrency configuration"

I have a problem with a sender that are using a iphmx.com server adress - namely a problem with their DNS/SPF configuration.When I asked, apparently its a cloud variant of Ironport, and I should "contact Cisco about it".However, im not the customer w...

Hi Team,Any one successfully configured scheduled reports and alerts on cisco Email security appliance(ESA) VM based deployment. Regards,Ramesh