Email Security

Cisco Ironport. Case files are ancient, reputation files are also very old. How can I be sure these are updating?

We have problems with increasing amounts of phishing emails. I had a look on what to do about it and it seems that URL filtering is the way to go. However in the manual it says that: "To take action based on URL reputation, or to enforce acceptable u...

Ironport C100V, 9.7.2-047 Today a flood of spam made it past this ESA all with one commonality...  The sender's domain was .top. What is this new domain called .top?  Did it just become available, hence the spam? Anyone else seeing this? I added ...

Our Ironport uses Sophos. Recently Sophos classified something as Unscannable and quarantined it (as per policy).  VIP user is upset that his mail is getting blocked.   I am not going to turn off AV for this rare occurrence. I know how to report fals...

Hi all,                   Outbound email match spam filter, What is the mean of header("x-outbound-spam") == "^1$"  , what is mean equal "1".  THX! BR.

I have recently adjusted my exchange server to accept attachments as large as 25mb but still when I tried to send an email with an attachment of 15mb it still bounce back as 552 552 #5.3.4 message size exceeds limit (state 18).I was wondering if need...

Does anyone know where I can find a document about upgrading a Cisco Ironport C170 that is in  a cluster, can you upgrade them one at a time?

Hi We activated DLP with PCI Policy, but doesnt work, we need to block all the users to send (outgoing mail) the only attachment allowed is PDF with Cards Numbers Regards

Hi All, Behind Load Balancer, there are 3 esa. Two esa in the cluster and one esa as standalone. When we tried to put standalone esa in the cluster. It stop sending and receiving the mail. After removing the esa in the cluster which we added it star...

I'm in the process of rolling out a C300V (9.7.1) and am getting stuck on outgoing mail. The design is 1 management, 1 incoming and 1 outgoing interface.  Incoming mail is working fine - no problems.  Outgoing mail is a different issue.  Network grou...

I'm trying to write a content filter that looks for a text-string with pound-sign (£). Seems that £-sign is somehow special. My text-string is £brittish-1 but I don't find out how to match that string. Any ideas about this ?

Hello, I'm hoping someone can help me out with a question. I have downloaded the Cisco ESA virtual appliance VMDK image and mounted it on a VMare ESXi server. I managed to obtain a 30 day trial licence, so when I installed the appliance, all of the f...

Hello that such, sorry know you as do a upgrade C100 I have the version 8.5.6 I want to pass it to the 9.1.2 is a that virtual

Hello!  I have Outgoing Mail Policy and Outgoing Content Filter on IronPort. Outgoing spam message dropping. Outgoing  suspected spam message deliver.  When user gets incoming suspected spam message and want forward the suspected spam message - Ironp...