''Mail-From:'' '''

Mail-From:

Synonym for Received:

Obsolete

The Mail-From: header is not defined by any of the RFCs and is rarely seen in message headers. The sendmail program defines it internally as a synonym for the Received: header. The Mail-From: header is obsolete.

Chapter 1. Some Basics

Part I: Build and Install

Part II: Administration

Part III: The Configuration File

Chapter 17. Configuration File Overview

Chapter 19. The S (Rule Sets) Configuration Command

Chapter 20. The M (Mail Delivery Agent) Configuration Command

Chapter 21. The D (Define a Macro) Configuration Command

Chapter 24. The O (Options) Configuration Command

Chapter 25. The H (Headers) Configuration Command

25.2 Header Names

25.3 Header Field Contents

25.4 ?flags? in Header Definitions

25.5 Rules Check Header Contents

25.6 Header Behavior in conf.c

25.7 Headers and mc Configuration

25.8 Headers by Category

25.9 Forwarding with Resent Headers

25.10 Precedence

25.12 Alphabetized Header Reference

''Apparently-From:'' '''

''Apparently-To:'' '''

''Auto-Submitted:'' '''

''Comments:'' '''

''Content-Description:'' '''

'Content-Disposition:'' ''''

'Content-Id:'' ''''

''Content-Length:'' '''

''Content-Transfer-Encoding:'' '''

''Content-Type:'' '''

''Delivered-To:'' '''

''Disposition-Notification-To:'' '''

''Encrypted:'' '''

''Errors-To:'' '''

''Full-Name:'' '''

''In-Reply-To:'' '''

''Keywords:'' '''

''Mail-From:'' '''

''Message-ID:'' '''

''Message:'' '''

''MIME-Version:'' '''

''Posted-Date:'' '''

''Precedence:'' '''

''Priority:'' '''

''Received:'' '''

''References:'' '''

''Reply-To:'' '''

''Return-Path:'' '''

''Return-Receipt-To:'' '''

''Sender:'' '''

''Subject:'' '''

''X-Authentication-Warning:'' '''

''X400-Received:'' '''