Email Security

Hi Team: I am trying to determine why a particular partner of ours is being blocked  total attempted 500+ messages in. Out of about 597 attempted messages, 384 are being stopped by reputation filtering. Is there something I can view in the logs to de...

Currently i have issue that the sender address with Bounce Verification tags was hit our SPF Content Filters. E.g, Sender : prvs=joe=123ABCDEFG@example.com   We would like to exclude this. Can someone advise how to filter this   Thank you in advance ...

I have created a content filter and having few questions. Also, please find the attachment for reference.1. How to make it as case insensitive.2. I have tested this content filter by using "Trace" option in GUI. But, I am unable to see the Action of ...

I'm running my own mail server on the domain: hexspoor.online Unfortunately suddenly i'm experiencing delivery problems whenever i try to send mail to organizations that use IronPort. My logs indicate that the messages are sent and accepted, but they...

We are using the Cisco cloud based version of the ESA for email security.  I have noticed lately that it seems like an unusally high amount of valid emails are being dropped by CASE.  It seems to be happening more with emails from our Japan customers...

Could you please answer to below question: What is the control to detect spoofed sender IPs in IronPort?  

We are using M1070 in our email infrastructure and would like to upgrade the certificate from SHA1 to SHA2. Could you please suggest on how can I proceed further?

Hi everyone, Is anyone here tried that WHITELISTED IP sender under HAT has no Content Filter insoection? I was thinking on how to do this. All the incoming Mail (WHITELIST and UNKNOWNLIST) falls to DEFAULT policy. The UNKNOWLIST need to be scanned by...

Se have a management appliance providing message tracking and reporting for our multiple ESA appliances.  We are in the process of replacing an ESA that is failing via the RMA process.  My question is what steps do we need to do on the management app...

I've been playing around with filters for credit cards and have yet to find one that stops all credit cards while limiting false positives because it is matching any random 16 characters.I need one that blocks all amex, visa, mc, and discover without...