Email Security

Hi all,Maybe i am blind, but I cant find a way to do an automatic report or email a report for bounced emails with details.So I need to get a report with the email address, message number and the reason for the bounce or failure for Example: bounced ...

We have 6 C670 appliances all connected in cluster. As of now, we have installed individual SSL certificates installed on each appliance. We are contemplating on the idea of going for one SAN certificate instead of inidivdual certificate. Can this be...

Many mails of my ironport is showing as hardbounce & softbounce. When i check the message detail for every mail it is showing no sender in envelope sender and most have the subject as undeliverable message.why this mesage are generating, how do i res...

Hi all,I'm hoping someone can help with the following issue I'm having? It relates to an Ironport C150 where the automatically generated and emailed reports now no longer contain any information. The following error message was received in an alert e...

We have an e-mail recipient who received an encrypted e-mail through the Cisco Registered Email Service (CRES) from one of our employees. When he opens the e-mail, the browser window is white filled with what appears to be Chinese characters. Has an...

Hi All,Over the past two weeks, I have suddenly started receiving a huge amount of spam.Prior to this time, there was almost nothing of spam received at all.Nothing has changed in my Ironport settings. Anyone suddenly experiencing something similar?

Hello everyone!We got some alarms on our Ironport regarding "Check Open Files or Sockets". It's been bouncing up and down the last couple of days. What does this check mean? Is it the amount of active TCP connections or is it something connected with...

Hello,New to the group.  I'm a System Admin who has been given a lot of additional responsibilities since our IT Manager left the company.  Hopefully I am posting this in the right area.Here's the problem:Time on the IronPort is fine as far as report...

I was wondering if anyone else has been seeing TLS errors on incoming email to an ESA on 8.0.0-617? The senders report this error "(Certificate rejected over TLS. (wrong cipher returned))" and in my logs I see this:(ICID xxx) TLS failed. Reason: (336...

  There is a company that regularly sends us email from a specific address, but it's being prepended with [SUSPICIOUS MESSAGE] and the URLs are being rewritten. How can I exempt this sender from this action? It looks like this would be a new Content ...