Email Security

Hi,we're facing a strange problem with our esa 11.0.3-251some of our users complain that some recipients did not get our mails.after checking the logs we found that some mails have been delivered correctly, investigating with the recipients we found ...

Hi,we have some destinations in the destination controls that are set to "TLS required". Is there any way we can immediately bounce mails if TLS for these destinations is unavailable?We tried using a custom bounce profile for that, but that bounce pr...

Any ETA for when this will become GA on ESA appliances? thanks

This ESA seems to be running fine, but the CPU numbers make no sense.  Anti-Virus is actually disabled on this host.  Anyone seen this?   CPU UtilizationEmail Security Appliance: 10.0%Anti-Spam: 0.0%Anti-Virus:742.0%Reporting:0.0%Quarantine: 0.0%Over...

Hi there, I wanted to get a collection of missing or nice to have features started for ESA and SMA and hopefully we come up with a good list and get some attention and momentum from product management. Please feel free to comment on any of my feature...

is possible to compare envelope senders and message id headers on ironport? I need this to prevent email spoofing. because a few weeks ago, I got an email with a different envelope sender and message id header in it.

We recently upgrade our virtual SMA server from 11.5.1-115 to 12.5.0-658.  From the documenthttps://www.cisco.com/c/dam/en/us/td/docs/security/security_management/sma/sma13-5/SMA_13-5_Release_Notes.pdfseeing that the upgrade path is available from 12...

Hi Expert, How can i view which message in the work queue on outgoing email on ESA? Thanks 

Dear allI get such notification form ESA'Failed to connect to aggregator.cisco.com port 443: Operation timed out' and I begun to capture packet. when I check the result in wireshark observed that syn message is sent but ack message not turns back. wh...

Hi Dear, From today morning, I have received multiple alert , could you please how I can mitigate this alert. Unable to connect to the Cisco Aggregator Server.Details: (56, 'Received HTTP code 503 from proxy after CONNECT').Version: 12.5.1-037 Regard...

Hi,we need to reject incoming mail going to certain group mailboxes (of which there are many). These group mailbox addresses all start with z_, zz_ or zzv_ (for example, z_someGroup@domain.com). Unfortunately, neither the RAT nor the mail policies al...