Name
class=
Synopsis
If the mail message contained a
Precedence: header (see Section 25.10), the class= reflects
sendmail’s interpretation of
the keyword that follows that header. For example, given the
configuration command:
Plist=-30
the following header will yield a class= value of
-30:
Precedence: list
If no Precedence: header is present in the
message, the value shown for class= is zero. The
class= is shown only for sender records.
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