Email Security

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HI there to better debug some emails, we have implemented an Incoming Content Filter to display all the headers of every email that goes through the ESA. (according to the topic described here https://community.cisco.com/t5/email-security/logging-all...

For a long time we have blocked ".eml" attachments by extension for some email domains.  With the advancements in scanning techniques by the various filters in CES, what would be the risk of removing this?  Would a ".eml" attachment be scanned just a...

Hello,Some of our message are not delived to the recipients. In the message tracking is see some errors, but I am searching for more information. Is there an option for verbose message tracking. I tried the maillogs, but there I can't find informatio...

One of our users is using an external application, and they are not receiving emails from it.Error message given is 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.I cannot find a relevant message in E-Mail Message l...

dfsaqwe by Level 1
  • 12025 Views
  • 3 replies
  • 0 Helpful votes

Hi there,I am currently filtering all my quarantines via the mail sender. The format of my API request is as follows:https://url_ironport/sma/api/v2.0/quarantine/messages?endDate=2023-09-25T12:02:00.000Z&limit=25&offset=0&orderBy=received&orderDir=de...

EnzoR by Level 1
  • 359 Views
  • 0 replies
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Hello, I have a use case where: - Some users have a personal mailbox and can access other shared mailboxes - Other users can anly access their personal mailbox We need to authenticate users so that - Users with personnal and shared mailboxes can auth...

REJR77 by Level 1
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  • 0 replies
  • 0 Helpful votes

We have received numerous emails asking users to scan a QR code to get to a phishing page directing them to enter credentials. The email is nothing but a picture of a jpeg. Is there a way to restrict or block email that do not have text in them?

Ok, so this cropped up after our security group wanted us to require TLS incoming and outgoing instead of preferred. Not a surprise this affected customer emails as we warned them, but sometimes you just have to let them fail.One side effect was spam...

Every 15 minutes I get an e-mail notification with the following text: ----------------------------------- Subject: Warning <System> *hostname*: The graymail was restarted due to an error. A debug file was... Text:The Warning message is: The graymail...