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Top Forums Shell Programming and Scripting Leanest way to send an email from bash Post 302909965 by Michael Stora on Monday 21st of July 2014 02:49:14 PM
Old 07-21-2014
OK. I got it! Works great. Had to read some RFC documents. Got a clue where to start from a mention of RFC 2822 in a rejection message and from there I found the RFCs for MIME.

Code:
{   echo "MAIL FROM: me@yyyy.com"
    sleep 1
    echo "RCPT TO: you@xxxx.com"
    sleep 1
    echo "DATA"
    sleep 1
    echo "Subject: Test email" # some sources say extra line after subject but it breaks MIME for some reason.
    echo "From: Me <me@yyyy.com>" # gmail will reject email without additional From: header
    echo "MIME-Version: 1.0"
    echo "Content-Type: multipart/mixed; boundary=\"XXXXboundary text\""
    echo    
    echo "This is a multipart message in MIME format."
    echo "If you can read this you need a newer mail client or you need to stop playing with your time machine."
    echo "RmVsbG93IE1hbW1hbHM6IFdlIHN0cmlrZSB0aGUgRGlub3NhdXJzIGF0IGRhd24uICBMb25nIGxpdmUgdGhlIGV2b2x1dGlvbiEK"
    echo
    echo "--XXXXboundary text"
    echo "Content-Type: text/plain"
    echo    
    echo "this is the body text"
    echo
    echo "--XXXXboundary text"
    echo "Content-Type: text/csv; name=\"thing.csv\""
    echo "Content-Transfer-Encoding: base64"
    echo "Content-Disposition: attachment; filename=\"thing.csv\""
    echo
    base64 <myfile.csv
    echo
    echo "--XXXXboundary text--"
    echo "."
    sleep 1
    echo "QUIT"; } | telnet smtp.yyyy.com 25

Sending mail with attachments from a minimal linux system with no mail client! Smilie

Mike

Last edited by Michael Stora; 07-21-2014 at 07:31 PM..
These 2 Users Gave Thanks to Michael Stora For This Post:
 

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AMC-MAILING(1)						       Auto Multiple Choice						    AMC-MAILING(1)

NAME
AMC-mailing - mail PDF annotated completed answer sheets to students SYNOPSIS
auto-multiple-choice mailing [--xmlargs args.xml] --projet project-dir --students-list students-list.csv [--list-encoding encoding] --email-column col --sender sender-email --subject subject --text email-body [--debug file.log] [transport arguments...] DESCRIPTION
The command AMC-mailing.pl sends by email the PDF annotated completed answer sheets to the students. Email addresses are taken from the students list file. --projet project-dir Gives the project directory. --students-list students-list.csv sets the students list file name. --list-encoding encoding selects an encoding for file students-list.csv (default is utf-8). --email-column col sets the name of the column containing the email addresses of the students in the students list file. --sender sender-email sets the sender email. --subject subject sets the subject of the emails to send. --text email-body sets the body text of the emails to send. --transport transport sets the transport to use. transport may be sendmail or SMTP. --debug file.log gives a file to fill with debugging information. TRANSPORT ARGUMENTS
Depending on the value used for argument transport, the following arguments can be added: Transport sendmail --sendmail-path path sets the path to the sendmail command (defaults to /usr/sbin/sendmail). Transport SMTP --smtp-host host sets the SMTP hostname (defaults to smtp). --smtp-port port sets the port to use (default value is 25). ARGUMENTS IN A XML FILE
To avoid encoding problems, one can place some arguments in a XML file and use the --xmlargs file.xml argument as the first command argument. Here is an exemple of such a file: <?xml version="1.0" encoding="UTF-8"?> <arguments> <arg>--sender</arg><arg>Bienvenue &lt;paamc@passoire.fr&gt;</arg> <arg>--text</arg><arg>Voila votre copie corrigee</arg> <arg>--subject</arg><arg>QCM</arg> </arguments> AUTHORS
Alexis Bienvenue <paamc@passoire.fr> Main author Jean Berard Translation from French Georges Khaznadar Translation from French COPYRIGHT
Copyright (C) 2008-2012 Alexis Bienvenue This document can be used according to the terms of the GNU General Public License, version 2 or later. Auto Multiple Choice 1.1.1 06/19/2012 AMC-MAILING(1)
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