Email Security

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Cisco CyberSecurity

Cloud Gateway: 15.0.1-030Gateway (HW/Virtual): 15.0.1-030Email and Web Manager: 15.0.0-413Reporting Plug-in: Plug-in: Add-in(s): More info

Forum Posts

Getting Started with Cisco Secure Email Threat Defense Join us as our experts walk you through some of the fundamentals, key concepts, and outcomes of the Cisco Secure Email Threat Defense product. We will help you gain the insight needed to create a...

Hello, Currently running Cloud ESA version: 13.5.1-352 I'm trying to set up a destination control for over 15 domains to set TLS to required when sending mail. The domains are all separate second-level domains (eg:,, domainC.c...

g_sam by Level 1
  • 3 replies
  • 5 Helpful votes

Dear Support, Very often we are having mail issue, mails are not being recieved. The delivery status always show mails getting stuck.Can you please assist as this is becoming recurrent and causing lots of issues?

Hi,unfortunately I couldn't find a solution to this, so hopefully you are able to help In our ESA cluster (AsyncOS 14.2.2-004) we use dictionaries to quarantine mails e.g. by links contained in body or attachments.The filter is a simple body-dictiona...

aj4 by Level 1
  • 3 replies
  • 0 Helpful votes

helloi have recently received this messageThe Critical message is:"An application fault occurred: ('egg/ call|250', "<type 'exceptions.TypeError'>", "'NoneType' object is not iterable", '[_coro.pyx coro._coro._wrap1 (coro/_coro.c:853...


Hy,pleaase I applied a dlp policy to my outgoing traffic , but I when I send an email that contain a attachment that should trigger dlp , there is no reaction . I see my log file even "dlp no violation" doen't appear . I think that it skips dlp engin...