Email Security

I have noticed that when sending emails to external organizations, our internal private IP addresses are being exposed to everyone.how this occurs and provide me guidance on the necessary ESA configurations to prevent this?Please find the below URL f...

Hi,I have config a content filter that for some condition, the X-IronPort-Quarantine will be add to header, so the email will send to spam quarantine, however, if a user add those sender email to the spam quarantine safelist, it sill quarantine inste...

Hi,I am running a trial for Cisco e-mail thread defense. I have no SEG and I connected the product to my Microsoft 365.I can see all the e-mail messages but I'm not getting a verdict.The policy is configured correctly but still, something is not. Als...

Hi everyone,we're using a single ESA C300V with round about 1100 users. Our network team detected a huge amount of traffic on the ESA's external Interface (from/to Internet) on Port 80 and on Layer 7 "web-browsing" and asked me what's going on there....

Hi all,I’m encountering an issue with CEF logs when receiving emails that have Arabic characters in the subject line. The subject appears as UTF-8 encoded text rather than displaying the characters correctly.Has anyone else experienced this issue, an...

For some time now, I have noticed the following issue with my company's vESA (C300V):When I modify a (preexisting and populated) Content Filter or Mail Policy via the "Add Condition"/"Add User" buttons respectively, the Filter/Policy will sometimes b...

I've seen a few posts regarding this, but I think it's really bad documented by Cisco. When we opened a TAC to help us through it they didn't seem to know exactly what to do them selves. There was a lot of trial and error but we got there in the end,...

Hi ,   Need to enable bounce verification tagging in destination control. However before that need help on below points. 1. Does enabling bounce verification tagging in destination control requires to change Dane support also in destination control. ...

Hello All, We have 8 Esa cluster and all of them showing online when i check Connection status in Sma. However in delivery status page its showing down. Can anyone knows what could be the issue. PFB relevant snaps. Connection status in Sma Delivery ...

When upgrading ironport we have option to download only the installer. Where ironport store the installer image?   Thanks

Why Cisco Secure add-in isn't available in Microsoft integrated apps ?The only option is to download the add-in manifest file and upload.I believe, because of this reason the end-user submitted suspicious email using Cisco secure add-in isn't visible...