Google Message Security Batch Reference Guide - Manual (Page 346)

358
See Also
“Viewing and Editing Message Encryption Settings” on page 565
Postini Encryption Services Administration Guide, “How Connection Security
Works”
ndr
The ndr field holds outbound mail configuration (block or blackhole) for
undeliverable bounce messages generated by the organization’s mail server. This
is the control for Undeliverable Bounce Message handling. This is only used with
Message Security installations.
Syntax
ndr=<off | blackhole | quarantine | NULL ()>
Examples
• When the field is returned as output:
ndr off
• To change the setting:
modifyorg sales, ndr=quarantine
Description
Outbound mail configuration to block or blackhole undeliverable bounce
messages generated by your mail server:
• off -- Undeliverable bounce messages are deferred up to five days before
bouncing.
• blackhole -- Undeliverable messages are accepted as if successfully
delivered and then silently discarded.
• quarantine -- Undeliverable messages are quarantined to the administrator’s
quarantine.
• NULL () -- This field is not active.
• Default: off
Note: Make sure the quarantine administrator account is set up before using the
quarantine or Blackhole values with this field.