Email Security

Hello, We have had deliverability issues for several months with our domain to customers using Cisco. We have the error "550 5.0.350 Remote server returned an error -> 554 Your access to this mail system has been rejected due to poor reputation of a ...

Hello,did anyone experienced problems when trying to upload a new Custom Certificate on a CISCO ESA appliance ?Error when uploading new custom certificate: "Validation Error : Certificate has problem with basic constraints extension & CA flag." Async...

Anyone in here use Cisco email security for Office 365? If so, what can you tell me about it? How does it compare to other solutions from a pricing standpoint?I'm waiting on a call back from my Cisco team to discuss, but wanted to see if anyone here ...

hi, We need to apply the new SMIME Certificate in the Ironport because the one we have is about to expire.We want to be sure if this has any effect and what exactly the certificate would apply to.Kind regards 

Dear support, we are looking to migrate to office  365, however i would like to keep email routing via on-premise iron-port appliance.  I need to ensure the following: 1. Email sent from Office 365 to external (internet) routes through on-prem ESA a...

I've been asked to add opening of attachments in sandboxes to our services. Is this possible with Cloud Email Security? 

We have a customer that is not able to send e-mail to users from our organization. The e-mails are bouncing back with: "554 Your access to this mail system has been rejected due to the sending MTA's poor reputation. If you believe that this failure i...

Hi,we are having 02 Boxes of Cisco ESA C190 and subscription is about to expire. The present running product name is L-ESAI-AT200-K9  Quantity 500. As i know this has EOS and replacement part number searched over the Internet is H-ESA-ESI-AT-LICJust ...

Hello all,with reference to CVE-2022-0778, how can I verify the opennssl version on Cisco ESA Ironport devices, type C390 or C395, running AsyncOS Version 12.5.?I was given the following Bug ID, but I cannot access this resource with my account:https...

How to access and download End-User Spam Quarantine Safelist/Blocklist file from SMA cloud hosted ?

Hi community,I am trying to whitelist or more correctly said to SPOOF_ALLOW the servers that gmail/outlook use to send email for a customer domain. Basically gmail and outlook ask clients to include their ranges via a include in SPF record. For examp...