Email Security

Is there a configuration setting that can be enabled or changed in the ESA to fix or protect against the MonikerLink vulnerability in outlook?

This has been asked before and I cant see a single answer to this n the forums so time to ask again. How do you find out why YOUR ip address is blocked? There must be some feed back loop to let ISPs know what the problem is otherwise it cant be remed...

Hi Good People,Currently we are running standalone cisco ESA(300 v) with AsyncOS version  13.0.5-007. We want to upgrade to 15.0.0-104 version. As per my knowledge we can go directly from 13.0.5-007 to 15.0.0-104. But my question is whether we need t...

I am creating a dictionary list with several domains that I would like to block. This is an example of how i'm trying to add them in: *.example.comI would like to block any domains that end with .example.com. (ie: free.example.com, test.example.com, ...

Hi All,Need an help regarding attached logs as im getting message deliver but there's one line TLS FAILED ERROR 32 (BROKEN PIPE). What could be the reason.

HiThe Talos blog describes how ESA can remediate the CVE-2023-23397 vulnerability. How can this be implemented? 

Folks,I run a global online community and we are finding some of our users are not getting emails, this seems to only be happening when the recipient is using Ciscos Secure Email Gateway solution. I have submitted a sample of our emails to the not_ad...

Guys, over past 2 months i am not getting any emails from Cisco domain. The Cisco users gets message that 5.4.7 Delivery expired ( message too old).  I checked with email provider and got advanced email security from go daddy cloud protect. As per th...

Hidoes anyone know a way how to monitor dynamic content of Cisco status page with PRTG.Cisco Secure Email StatusThe normal HTTP sensors can't check strings, values because the pages are dynamic.I am looking for something to check if e.g. the Talso Cl...

Good day!We encounter user locked on cisco cloud gateway.Hope this matter will resolved immediately.

Is there a document somewhere that explains all the ins and outs of the content filters?

Hi there, Is there any way to monitor real time cisco ESA for active recipients count. example if the active count is more than 100 I should be notified. Thanks,Praveen Karingula

Hello All, I have some question about Cisco Email Threat Defense, thanks in advance ! 1)  if customer has ESA already, do we need ETD as well ? or it depends on the customer requirement ? Per my understanding customer could deploy ESA only,  or ETD o...