Email Security

Hi there,our mailserver is listet with a poor reputation. That's why some clients could not receive eMails from us without whitelisting. For security reasons they don't want to whitelist longer than necessary.Meanwhile I opened the fifth ticket but t...

Hi all, as I see in the datasheet of Cisco ESA. C195 support Small to midsize businesses or branch offices. I can not see any information that this model support how many users (employee). Does anyone have this information? Please help me. Thank you ...

Hi, I use Cisco Security Proxy redirection for some kind of mails with content filters.It is pretty nice and effective on URL links which are in href HTML tag.But for some URL which are not in href tag the Cisco links appear and some mails become ugl...

  i am  not able to send mails to some domains, the esa shown that the doamains status are down and classifed it as hard bounced  thanks in advance for you support    

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...