Cisco Cisco Email Security Appliance C160

To view a complete list of known issues in a release, see 

. 

Some messages are not encrypted as expected. 

This can occur if "TLS Required - Verify Hosted Domains" is enabled for 
the Destination Domain and the destination Mail Transfer Agent (MTA) 
does not offer STARTTLS. 

Workaround: Do not enable "TLS Required - Verify Hosted Domains." 

After upgrading to Cisco AsyncOS 8.5.6 for Email, clicking the message 
count on the Outbreak Filter report opens a message tracking page without 
any messages or with partial results. Also, filtering using newly added 
outbreak filters may not yield any result.

Workaround: None

Alerts about Python restart. 

This occurs only on C170 models, and can occur when: 

connectivity to the cloud is lost 

a large number of files is simultaneously uploaded for analysis 

Workaround: None

Some SHA values are not displayed in the Completed section of the file 
analysis reports page 

Workaround: None

If the File analysis feature key is renewed before the File reputation key is 
renewed, the file reputation service does not function. 

Workaround: On the Security Services > File Reputation and Analysis 
page, disable and then Enable Advanced Malware Protection.