Email Security

5.3.0 - Other mail system problem 550-'5.7.26 The MAIL FROM domain [sharqawi-co.com] has an SPF record with a hard\n5.7.26 fail policy (-all) but it fails to pass SPF checks with the ip:\n5.7.26 [23.90.122.178]. To best protect our users from spam an...

Hi Team,Facing an issue where i login on ESA using cli it comes up with a service word. Exampleesa.domain.com (Service) > Can anyone let me know what could be the reason for it.

Hello, I've got the following question. We have a customer which is currently using Fortimail as email security solution. We are going to migrate the customer to Cisco Esa, my inquiry is if there is a tool to export or copy the config and import it t...

Hello Please can someone tell me why using CRES in ESA is better than s/mime or TLS ?Thanks

Incoming Content Filters page is showing an error. Warning - The following content filters have failed to run and are currently disabled.CC_REJECT: ["Text resource 'CC_REJECT' unknown"]I don't know how to diagnose this. Suggestions? 

I have a virtual ESA with a geolocation inbound content filter as the 3rd filter from the top of the list.  It doesn't work and only sporadically when it does.  Since we are a community-based firm, we would like to quarantine all email that isn't com...

Hello,One of our customer has a "SSL_connect returned=1 errno=0 state=error: dh key too small" when trying to write to us.Is there a Cipher to use to get rid of this ?Here is what we use for now (GUI, Inbound, Outbound) :Methods: TLS v1/TLS v1.2SSL C...

Hello, we have a problem with auto reply messages on the Cisco ESA. It is only the generated auto replies from the ESA that seem to get the DKIM errors. Could this be a configuration error?

I am after some help.We are using the RegEx provided by IronPort to do some testing and are scanning all outbound messages using this RegEx.However we have got forms that go out to customers that by the Natioanl Insurance number request field there i...

Hy Please ,why trusted senders can bypass anti-spam but not anti-virus? 

We have a CES deployment with O365/EOL that is in production.  As with any email security solution, CES is not 100% catching all spam or spoofed emails.  We would like to use Defender to catch whatever CES doesn't catch.The CES setup documentation in...

Hy i HAVE THIS PROBLEM Info: DCID 91 TLS failed: verify error: unable to get local issuer certificateThanks