Email Security

Hi Cisco community, can anyone can help me in my problem?. We have encountered this error,. As resolutions we add his email add to whitelist and we got an error regarding allowed hostname formats. 

I have a mail domain that we are shutting down. killing the smtp route (/dev/null) looks to be a pretty straight forward. I have a few legacy accounts thought that I will need to re-route to a new domain. I currently accomplish this via content filte...

Hi Everyone I'm working on a deployment of an ESA. The client currently uses a ZixGateway for all their email encryption, which Exchange servers point to for outbound email. We'd like to use the ESA for inbound only, currently, which seems to be easy...

I got email warning from ironport C170, it say : The Warning message is:   The python was restarted due to an error. A debug file was generated for troubleshooting. Please contact your authorized support center.   Version: 9.6.0-051 what the python...

I would say in the last week, we have seen an increase in random spam coming through our IronPort C160.  We are on async version 7.6.0-444.  It seems in the message logs quite a few get out there with random.  My boss just got 3 pieces of spam mail i...

Looking for quick guidance on Ironport outbound content filters using regular expressionI have nosed around other postings but did not see anything specific to what I am trying to do.I need to look at the subject line of outgoing email via a content ...

C170 ESA Ironport:So I created a disclaimer on our inbound network listener that brands every email coming thru that listener with a warning that it comes from outside the org.However, that now breaks smime encrypted email that I get from my IPS/IDS ...

What is the best way to forward incoming mail from my C170 IronPort to my Office 365 Account so that emails are filtered etc. before they hit 365

I have a mailflow policy for mail with SBRS scores of < 0.0 called Suspect.I also have a policy for SBRS >0.0 & <2.0  that also looks for Connecting host PTR record does not exist in DNS andConnecting host reverse DNS lookup (PTR) does not match the ...

Hello,We have to replace old C160 with new C170.C160 Appliances have their own SSL certificates for TLS.We are going to remove one old appliance, joining a new appliance to the cluster, and the same with the second memberDo we have to reimport the ce...

I would like to clarify whether Ironport Outlook plugins can (with flag mode) reply a "reply-message" originated from external CRES user.Here is a situation:- 1. Corp User A compose an encrypted email to external user B2. External user B receive this...

When configuring the IronPort 7.4 plug-in for Outlook for FLAG encryption, is it possible to supress the "Enter Password" Acknowledge or Cancel prompt? I attached the prompt in the capture.png attachment below.