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Sendmail, 3rd Edition by Bryan Costales

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Headers and mc Configuration

V8 sendmail offers a number of m4 macros for use in your mc configuration file that deal directly with headers. They are shown in Table 25-4.

Table 25-4. Header-related mc macros

Macro

§

Sets What

confFROM_HEADER

From:

Define the format for the From: header

confRECEIVED_HEADER

Received:

Define the format for the Received: header

confOLD_STYLE_HEADERS

OldStyleHeaders

Declare the OldStyleHeaders option

confMAX_HEADERS_LENGTH

MaxHeadersLength

Declare the MaxHeadersLength option

confMAX_MIME_HEADER_LENGTH

MaxMimeHeaderLength

Declare the MaxMimeHeaderLength option

confSINGLE_LINE_FROM_HEADER

SingleLineFromHeader

Declare the SingleLineFromHeader option

confUSE_ERRORS_TO

UseErrorsTo

Declare the UseErrorsTo option, which affects the Errors-To: header

confNO_RCPT_ACTION

NoRecipientAction

Declare the NoRecipientAction option, which affects the To:, Cc:, and Bcc: headers

confRRT_IMPLIES_DSN

RrtImpliesDsn

Declare the RrtImpliesDsn option, which affects the Return-Receipt-To: header

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