Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

Delivery logs are recorded and transferred in a binary format for resource efficiency. Information 
recorded in delivery logs is shown in the following table:

If the delivery status was bounce, this additional information appears in the delivery log:

If you have set up logheaders (see 

), the header information 

appears after the delivery information:

The examples in this section show a variety of Delivery Log entries.

Success (message was successfully delivered) or bounce (message was hard bounced)

Delivery time

Injection time. 

del_time

 - 

inj_time

 = time the recipient message stayed in the queue

Message size

Message ID

Recipient host IP. The IP address of the host that received or bounced the recipient 
message

Envelope From, also known as Envelope Sender or MAIL FROM

Source host IP. The IP address of the host of the incoming message

SMTP response code from recipient host

SMTP response message from recipient host

Recipient ID. Recipient ID starts with <0>, messages with multiple recipients will have 
multiple recipient IDs

Envelope To

Number of delivery attempts

RFC 1893 Enhanced Mail Status Code interpretation of the SMTP response during the 
delivery

SMTP response code from recipient host

SMTP response message from recipient host

XML tag marking the beginning of logged headers

Name of the header

Contents of the logged header