Returned Message Content
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Specifies Addresses on Notifications
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notices
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Specifies the time that may elapse before notices are sent and messages returned.
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nonurgentnotices
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Specifies the time that may elapse before notices are sent and messages returned
for messages of non-urgent priority.
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normalnotices
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Specifies the time that may elapse before notices are sent and messages returned
for messages of normal priority.
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urgentnotices
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Specify the time which may elapse before notices are sent and messages returned
for messages of urgent priority.
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Returned Messages
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How to handle failure notices for returned messages.
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sendpost
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Enables sending a copy of all failed messages to the postmaster.
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copysendpost
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Sends a copy of the failure notice to the postmaster unless the originator address
on the failing message is blank, in which case, the postmaster gets copies of all
failed messages except those messages that are actually themselves bounces or notifications.
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errsendpost
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Sends a copy of the failure notice to the postmaster only when the notice cannot
be returned to the originator. If nosendpost is specified, failed
messages are never sent to the postmaster.
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nosendpost
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Disables sending a copy of all failed messages to the postmaster.
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Warning Messages
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How to handle warning messages.
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warnpost
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Enables sending a copy of warning messages to the postmaster. The default is
to send a copy of warnings to the postmaster unless warnings are completely suppressed
with a blank Warnings-to: header or a blank envelope From: address.
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copywarnpost
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Sends a copy of the warning message to the postmaster unless the originator
address on the undelivered message is blank.
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errwarnpost
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Sends a copy of the warning message to the postmaster when the notice cannot
be returned to the originator.
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nowarnpost
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Disables sending a copy of warning messages to the postmaster.
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Returned Message Content
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Specifies whether to send entire message or just headers
to the postmaster.
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postheadonly
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Returns only headers to the postmaster. Restricting the postmaster copy to just
the headers adds an additional level of privacy to user mail. However, this does not
guarantee message security as postmasters and system managers are able to read the
contents of messages using root system privileges, if they choose.
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postheadbody
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Returns both the headers and the contents of the message.
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Returned Message Content
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Specifies Addresses on Notifications
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includefinal
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Include final form of address in delivery notifications (recipient address).
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returnenvelope
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Control use of blank envelope return addresses. The returnenvelope keyword takes a single integer value, which is interpreted as a set of bit flags.
Bit 0 (value = 1) controls whether or not return notifications generated by
the MTA are written with a blank envelope address or with the address of the local
postmaster. Setting the bit forces the use of the local postmaster address; clearing
the bit forces the use of a blank address.
Bit 1 (value = 2) controls whether or not the MTA replaces all blank envelope addresses with the address of the local postmaster. This
is used to accommodate noncompliant systems that do not conform to RFC 821, RFC 822,
or RFC 1123.
Bit 2 (value = 4) prohibits syntactically invalid return addresses.
Bit 3 (value = 8) same as mailfromdnsverify keyword.
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suppressfinal
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Suppress the final address form from notification messages, if an original address
form is present, from notification messages.
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useintermediate
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Uses an intermediate form of the address produced after list expansion, but
prior to user mailbox name generation. If this information isn’t available,
the final form is used.
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Returned Message Content
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Specifies Addresses on Notifications
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aliaspostmaster
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Messages addressed to the user name postmaster at the official channel name
is redirected to postmaster@local-host, where local-host is the local host name (the
name on the local channel).
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returnaddress
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Specifies the return address for the local postmaster.
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noreturnaddress
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Use RETURN_ADDRESS option value as postmaster address name.
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returnpersonal
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Set the personal name for the local postmaster.
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noreturnpersonal
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Use RETURN_PERSONAL option value as postmaster personal name.
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