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Full Discussion: Email formatting
Top Forums Shell Programming and Scripting Email formatting Post 42868 by norsk hedensk on Wednesday 5th of November 2003 05:43:52 PM
Old 11-05-2003
Email formatting

ok, does anyone know how i can strip out fields i dont want from a mail spool file (eg: /var/mail/usermailbox) and dump to standard output (or file with > filename) ?? i tried using a bunch of grep -v 's but i realized that has two main problems, first of all, if anyone types the text im grepping out it will get removed, so i could tell grep to do it only once with -m 1 and so on, but there is going to be many emails in the mailbox.

so what i need is something like this:

From  Tue Nov  4 22:34:54 2003
Return-Path: <>
Received: from (dynip4 [])
        by (Postfix) with ESMTP id 0CD261700B
        for <>; Tue,  4 Nov 2003 22:34:54 -0500 (EST)
Subject: This is a test
Date: Tue, 4 Nov 2003 23:12:40 -0500
User-Agent: KMail/1.5.1
MIME-Version: 1.0
Content-Type: text/plain;
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <>

This is a test, lets see if i can get this thing working.

now please keep in mind that there will be multiple emails in the mailbox. the fields in BOLD are the fields id like to keep.

i dont expect anyone to write out a whole script for me, just someone to point me in the right direction.

thanks !
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nullmailer-queue(8)					      System Manager's Manual					       nullmailer-queue(8)

nullmailer-queue - insert mail messages into the queue SYNOPSIS
nullmailer-queue DESCRIPTION
This program reads a formatted mail message from standard input and safely injects it into the outgoing mail queue. The data sent into standard input is expected to have the following format: one line containing the envelope sender, one or more lines con- taining the recipients, a single blank line, and then the contents of the message exactly as it is to be transmitted to the destination. All lines are terminated with a single line-feed character. All addresses must contain a fully-qualified domain name. RETURN VALUE
Exits 0 if it successfully queues the message. If it failed to queue the message, it exits 1 and prints an error message to stdandard out- put. CONTROL FILES
adminaddr If this file is not empty, all recipients to users at either "localhost" (the literal string) or the canonical host name (from /etc/mailname) are remapped to this address. This is provided to allow local daemons to be able to send email to "somebody@local- host" and have it go somewhere sensible instead of being bounced by your relay host. OTHER FILES
/var/spool/nullmailer/queue The directory into which the completed messages are moved. /var/spool/nullmailer/tmp The directory in which messages are formed temporarily. /var/spool/nullmailer/trigger A pipe used to trigger nullmailer-send to immediately start sending the message from the queue. SEE ALSO
nullmailer-inject(1), nullmailer-send(8) LIMITATIONS
This program should enforce system-wide configurable message length limits. nullmailer-queue(8)

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