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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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BOOLVAL(3)								 1								BOOLVAL(3)

boolval - Get the boolean value of a variable

SYNOPSIS
boolean boolval (mixed $var) DESCRIPTION
Returns the boolean value of $var. PARAMETERS
o $var - The scalar value being converted to a boolean. RETURN VALUES
The boolean value of $var. EXAMPLES
Example #1 boolval(3) examples <?php echo '0: '.(boolval(0) ? 'true' : 'false')." "; echo '42: '.(boolval(42) ? 'true' : 'false')." "; echo '0.0: '.(boolval(0.0) ? 'true' : 'false')." "; echo '4.2: '.(boolval(4.2) ? 'true' : 'false')." "; echo '"": '.(boolval("") ? 'true' : 'false')." "; echo '"string": '.(boolval("string") ? 'true' : 'false')." "; echo '"0": '.(boolval("0") ? 'true' : 'false')." "; echo '"1": '.(boolval("1") ? 'true' : 'false')." "; echo '[1, 2]: '.(boolval([1, 2]) ? 'true' : 'false')." "; echo '[]: '.(boolval([]) ? 'true' : 'false')." "; echo 'stdClass: '.(boolval(new stdClass) ? 'true' : 'false')." "; ?> The above example will output: 0: false 42: true 0.0: false 4.2: true "": false "string": true "0": false "1": true [1, 2]: true []: false stdClass: true SEE ALSO
floatval(3), intval(3), strval(3), settype(3), is_bool(3), Type juggling. PHP Documentation Group BOOLVAL(3)
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