Email Security

I am having a hard time determining why a PDF would show up blank after it was encrypted using CRES. The user is sending an email with a PDF attachment to an end user via CRES. However, when the recipient receives the message, the PDF shows up blank....

A customer of mine wants to not send the EUQ email digest for distribution groups. For everyone else, they want to send the nightly/weekly digests. They have two ESAs and an SMA with external spam quarantine enabled. I think the answer is 'no' but I ...

Is anyone else having trouble getting Spam and AV updates for their ESA appliance? We have a c170. Our firewall and filter are not blocking the connection. I also cleared the DNS. For us, the problem started at about 3pm CST. Our logs show the conn...

Hi, I'm currently running an evaluation of vSMA to manage two C170 ESA's. Initial configuration and setup was pretty straight forward and I enabled centralised message tracking successfully. However after I enabled centralised report management on ...

Hello Cisco Community, Still on test with the ESA, We will need the possibility to forward blocked mail to the end-user . The problematic is that the copy send from the quarantine does not provide the original attachment but instead "A MIME attachme...

Hello everyone, I recently looked into Anti-Spoofing with a Custom Filter Script. if ( (sendergroup != "relaylist") ){ if ((header-dictionary-match("anti-spoof","From", 1)) OR (mail-from-dictionary-match("anti-spoof", 1))) { quarantine ('Policy'); ...

I sent email from box.com, that contain links to download file (like dropbox) but it goes to Spam Quarantine, it seems detected as a Graymail. I already added mailer.box.com and box.com domain in the Safelist, but the mail still detected as a spam. B...

Hi, i have an IronPort ESA C170, i enabled Email Spam notification for end users, but i need to disable the release button for the end users  how can i do that? thank you 

I have an Ironport C160 version 8.5.7-042 and I'm considering allowing end users to access their quarantined messages via a notification email. Is there a method to allow spam quarantine access to a limited set of users? Currently it appears that thi...

Hi everyone.  Found out that my C160s can't upgrade beyond version 8.5.7-043.....  Does anyone know why?  Is there a technical reason for this - all of my appliances are running very lean, and can easily handle the load on them, thus there is no plan...

When whitelisting a sender, should the Envelope Sender information be entered or should I use the Reverse DNS domain information in found in the logs for a given message? I have a situation where the sender domain has been entered in the whitelist bu...