Cisco Cisco Email Security Appliance C160 Mode D'Emploi
3-125
Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Chapter 3 Configuring Routing and Delivery Features
profiles and then apply profiles to each listener via the Network > Listeners page
(or the
(or the
listenerconfig
command). You can also assign bounce profiles to
specific messages using message filters. (See
for more information.)
Notes on Soft and Hard Bounces
•
For conversational soft bounces, a soft bounce event is defined as each time
a recipient delivery temporarily fails. A single recipient may incur several
soft bounce events. You use the Bounce Profiles page or the
a recipient delivery temporarily fails. A single recipient may incur several
soft bounce events. You use the Bounce Profiles page or the
bounceconfig
command to configure parameters for each soft bounce event. (See
.)
•
By default, the system generates a bounce message and sends it to the original
sender for each hard bounced recipient. (The message is sent to the address
defined in the Envelope Sender address of the message envelope. Envelope
From is also commonly referred to as the Envelope Sender.) You can disable
this feature and instead rely on log files for information about hard bounces.
(See “Logging” in the Cisco IronPort AsyncOS for Email Daily Management
Guide.)
sender for each hard bounced recipient. (The message is sent to the address
defined in the Envelope Sender address of the message envelope. Envelope
From is also commonly referred to as the Envelope Sender.) You can disable
this feature and instead rely on log files for information about hard bounces.
(See “Logging” in the Cisco IronPort AsyncOS for Email Daily Management
Guide.)
•
Soft bounces become hard bounces after the maximum time in queue or the
maximum number of retries, whichever comes first.
maximum number of retries, whichever comes first.
Bounce Profile Parameters
When configuring a bounce profile, the following parameters control how
conversational bounces are handled per message:
conversational bounces are handled per message:
Table 3-5
Bounce Profile Parameters
Maximum
number of retries
number of retries
The number of times the system should try to reconnect to the
recipient host to re-deliver the soft bounced message before
treating it as a hard bounced message. The default is 100
retries.
recipient host to re-deliver the soft bounced message before
treating it as a hard bounced message. The default is 100
retries.
Maximum
number of
seconds in queue
number of
seconds in queue
The amount of time the system should spend trying connect to
the recipient host to re-deliver the soft bounced message before
treating it as a hard bounced message. The default is 259,200
seconds (72 hours).
the recipient host to re-deliver the soft bounced message before
treating it as a hard bounced message. The default is 259,200
seconds (72 hours).