Because the address in the envelope
is surrounded with angle brackets, the address in the From: header must be as
well. One way to ensure that they are the same is by defining the From: header with
$g in angle brackets, as <$g> in the client??™s configuration file.
25.10 Precedence
The cost of a mail message determines its ability to be sent despite a high machine
load (and its position in the queue depending on the setting of the QueueSortOrder
option, ?§24.9.92 on page 1073). Each mail message has a precedence and a cost. The
initial precedence (sometimes called class) of a mail message is defined by the
optional presence of a Precedence: header line inside the message with a symbol corresponding
to a value defined by the P configuration command.
For example, if your sendmail.cf file contained this line:
Pspecial-delivery=100
and your mail message header contained this line:
Precedence: special-delivery
Resent-Message-ID: Message-ID:
Resent-To: To:
Table 25-12. Known re-sent headers (continued)
Resent- form of Header
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
25.10 Precedence | 1149
your mail message would begin its life witha precedence class of 100. We??™ll cover
how this is done soon.
After the message??™s initial class value is set, that value is never changed.
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