Cisco Cisco Email Security Appliance X1070 Informationshandbuch
Do internally generated messages such as alerts
and notifications get scanned by filters,
anti−spam, or anti−virus?
and notifications get scanned by filters,
anti−spam, or anti−virus?
Document ID: 118105
Contributed by Tomki Camp and Stephan Bayer, Cisco TAC Engineers.
Jul 29, 2014
Jul 29, 2014
Contents
Types of internally generated messages:
Cisco ESA Email Pipeline
Cisco ESA Email Pipeline
Question
Do internally generated messages get scanned by filters, anti−spam, or anti−virus?
Answer
Any internally generated messages do not go through the filter engine, or any other part of the "Per Policy"
Scanning section of the email pipeline such as anti−spam or anti−virus.
Scanning section of the email pipeline such as anti−spam or anti−virus.
Types of internally generated messages:
Alert messages are generated by the ESA to notify the designated recipient of changing status
conditions on the ESA.
conditions on the ESA.
•
Notify messages are generated by the notify filter action. (These messages contain the full headers of
an observed message but do not include the content of the message)
an observed message but do not include the content of the message)
•
Bcc messages are generated by the bcc filter action. These messages are complete copies of the
original message, which may include viruses or spam.
original message, which may include viruses or spam.
•
Bounce messages are generated by either filter actions, or failures during normal message delivery
attempts.
attempts.
•
An alternative to bcc is bcc−scan, which will send the message through the work queue like a normal
message, scanning for both viruses and spam. However, they will not be sent through message filters
again. This prevents potential delivery of viruses to the bcc'd address.
message, scanning for both viruses and spam. However, they will not be sent through message filters
again. This prevents potential delivery of viruses to the bcc'd address.
•
Cisco ESA Email Pipeline