Email Security

Cisco Secure Email Upcoming Events

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...

Restrict Incoming and Outgoing email and allow certain emails

On Cisco ESA. I need to create a policy that will allow users to send to only certain email addresses. I am controlling the incoming with Exchange but I would like to control the outgoing with Cisco. Requirements: - Allow sending to only predetermine...

Block sender to specific domain

Hi there, I have a small/big problem internally in the company. An employee is sending thousands of emails to the domain @yahoo.com. With this, the Yahoo has blocked our IP of receiving e-mails. All employees can no longer send email to Yahoo.com. I ...

False positives in processing emails matching Forged Email Detection filter by ESA

Hello folks,We are immensely frustrated and inundated by spoofed emails coming from gmail originating as if from company executives. Clearly it is a famous CEO fraud and we followed Cisco's recommendation to block with a dictionary with names of exec...

Resolved! Questions on attachment in IronPort scanning

Please answer to below questions: Does IronPort un-compress the file?How many layers does it un-compress? (if I compress an already compressed file, will it un-compress to the original layer)Is there a max size restriction of the uncompressed fil...

Resolved! SMA migration - From M670 to M600v

We are running an old M670 appliance for our email security setup. Collecting logfiles, message tracking etc. Also hosting all quarantaines. Connected to it are two clusters of each two C600v machines. (the M670 is the only physical appliance left).W...

Resolved! Difference between Senderbase and Service Logs

Does someone know the difference and benefits between Senderbase and Service Logs. From Async 13.5 Service Logs will replace senderbase. According to the shared data per solution different data is offered to talos: Senderbase: machine oriented:https:...

Resolved! Critical Error on Ironport MSA

Anyone know where I should be looking to address this issue? Thanks for any help possible. An application fault occurred: ('util/Aquarium.py handleDoubleException|459', "<type 'exceptions.Exception'>", '\n\nAn exception has occurred:\n\nTraceback (m...

Resolved! Cisco CES what is included in Office 365 Secure Email Inbound Essentials

Hi community,I am researching for purchasing the essentials bundle for a client however I am puzzled about the CES deployment and the Office 365 Secure Email Inbound Essentials bundle (for a number of boxes 500). I know that ESA VM is the on prem opt...

Resolved! DMARC Notification

Dear All , We are using ESA in our network , we have end user notification is available for SPF/DKIM . Same like we have enabled the DMARC policy for the incoming mail , and put the action to quarantine .Is there any way we can add end user notificat...

Sender Rewriting Scheme?

Are there any plans for IronPort to implement Sender Rewriting Scheme in AsyncOS? I'm personally not a big fan of SPF and SRS, but like it or not they're being deployed. We use a C300 to operate a mail forwarding service for our alumni (we get the fo...

configure Cisco ESA C300V

Hello Community I'm following the doc https://www.cisco.com/c/dam/en/us/td/docs/security/content_security/virtual_appliances/Cisco_Content_Security_Virtual_Appliance_Install_Guide.pdf we have 3 interfaces for the virtual appliance. During configurati...

Reputation Error log in AsyncOS 13.5.3-10

HiI am using vESA with AsyncOS 13.5.3-10 and I got following errors in reputation log:- Error occurred while connecting your appliance to the Cisco Talos cloud service.- You must not decrypt the HTTPS traffic originating from the appliance on a netwo...

Reporting of released mails

Hello community, is there a report which mails have been released in the last x days?I need a report how many mails have been released from the different quarantines. Thanks a lotAndreas

Resolved! Issue with upgrading C695 appliance

We are in the process of installing a new appliance in a datacenter. The appliance has been licensed and all firewall ports have been opened. We are getting updates from Anti-Spam, Anti-Virus and all other services.At this moment we have an issue upd...

aborted vs dropped

Hi, What difference is there between the ABORTED and the DROPPED action? Thanks.

Email Security

Forum Posts

Cisco Secure Email Upcoming Events

Restrict Incoming and Outgoing email and allow certain emails

Block sender to specific domain

False positives in processing emails matching Forged Email Detection filter by ESA

Resolved! Questions on attachment in IronPort scanning

Resolved! SMA migration - From M670 to M600v

Resolved! Difference between Senderbase and Service Logs

Resolved! Critical Error on Ironport MSA

Resolved! Cisco CES what is included in Office 365 Secure Email Inbound Essentials

Resolved! DMARC Notification

Sender Rewriting Scheme?

configure Cisco ESA C300V

Reputation Error log in AsyncOS 13.5.3-10

Reporting of released mails

Resolved! Issue with upgrading C695 appliance

aborted vs dropped

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Announcing Resources That Guide You to Success

modify system generated notification mails

Secure Email Gateway Virtual C100V

Ironport poor reputation of a domain

Escape & character in params using HTTP Request in XDR Workflow

Trusted Root Certificate Update - strange names

ESA to be used as UAT SMTP

Outbound mail query of Ces

SNI support on ESA

CISCO ESA de-commission queries

First Installation Virtual ESA 15.5.1