Cisco Cisco Email Security Appliance C160 Guía Del Usuario
14-4
User Guide for AsyncOS 9.7 for Cisco Email Security Appliances
Chapter 14 Managing Graymail
How Graymail Management Solution Works
Step 4
The Email Security appliance checks if the message is graymail. If the message is graymail, go to
.
Else, go to
Step 5
The Email Security appliance applies the configured policy actions such as, drop, deliver, bounce, or
quarantine to the spam quarantine.
quarantine to the spam quarantine.
Step 6
The Email Security appliance checks if safe unsubscribing enabled. If safe unsubscribing is enabled, go
to
to
. Else, go to
.
Step 7
The Email Security appliance adds a banner with unsubscribe button to the message. Also, the Email
Security appliance rewrites the existing unsubscribe links in the message body.
Security appliance rewrites the existing unsubscribe links in the message body.
Step 8
The Email Security appliance processes the message through the next stages of its email work queue.
For an overview of how email is processed through the system, from reception to routing to delivery, see
How Safe Unsubscribing Works
The following flow diagram shows how safe unsubscribing works.
Start
End user receives a message with
graymail banner
End user clicks on
the Unsubscribe
button
Unsubscribe Service extracts the
original unsubscribe URI
Unsubscribe Service executes
unsubscribe process on behalf of the
end user
Stop
Is the URI
malicious?
Unsubscribe Service checks the
reputation of the URI
Unsubscribe Service displays a block
page to the end user
YES
NO
Unsubscribe Service displays the
status to the end user