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ESA | CASE is Unable to scan E-Mails

We have been receiving this critical messages since last week.

"MID 507128XX cannot be scanned by CASE. The message is either malformed or CASE is unable to process it at the moment."

 

ESA Version: 11.1.0-131
Timestamp: 21 Nov 2018 13:40:58 +0530

 

 

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Cisco Employee

Re: ESA | CASE is Unable to scan E-Mails

Hi,

 

This notification is caused by a corrupted email that has bad base64 encoding, or has corrupted Multi-Purpose Internet Mail Extensions (MIME) parts, and cannot be scanned properly by the CASE. The CASE itself works as designed, and this is not an indication of an overall processing issue on the appliance.

 

If you observe these errors for a lot of emails you may want to open a TAC case with the original email sample for review.

 

Regards,

Libin