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November 9, 2022 03:58
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Use telnet to send email with an attachement
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#!/bin/bash | |
filename="/path/to/your/file.log" | |
subject="Subject of my email" | |
txtmessage="This is the message I want to send" | |
{ | |
sleep 1; | |
echo "EHLO mydomain.intra" | |
sleep 1; | |
echo "MAIL FROM:me@example.com" | |
sleep 1; | |
echo "RCPT TO:him@example.com" | |
sleep 1; | |
echo "DATA" | |
sleep 1; | |
echo "Subject:" $subject | |
sleep 1; | |
echo "Content-Type: multipart/mixed; boundary="KkK170891tpbkKk__FV_KKKkkkjjwq"" | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "This is a MIME formatted message. If you see this text it means that your" | |
sleep 1; | |
echo "email software does not support MIME formatted messages." | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "--KkK170891tpbkKk__FV_KKKkkkjjwq" | |
sleep 1; | |
echo "Content-Type: text/plain; charset=UTF-8; format=flowed" | |
sleep 1; | |
echo "Content-Disposition: inline" | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo $txtmessage | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "--KkK170891tpbkKk__FV_KKKkkkjjwq" | |
sleep 1; | |
echo "Content-Type: file --mime-type -b filename-$(date +%y%m%d).zip; name=filename-$(date +%y%m%d).zip" | |
sleep 1; | |
echo "Content-Transfer-Encoding: base64" | |
sleep 1; | |
echo "Content-Disposition: attachment; filename="filename-$(date +%y%m%d).zip";" | |
sleep 1; | |
echo "" | |
sleep 1; | |
# The content is encoded in base64. | |
cat $filename | base64; | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "--KkK170891tpbkKk__FV_KKKkkkjjwq--" | |
sleep 1; | |
echo "" | |
sleep 1; | |
echo "." | |
sleep 1; | |
echo "quit" | |
} | telnet smtp.server.intra 25 |
This was very helpful, just have a question though, how do I send with an attachment size greater than 5MB.
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Thank you for your source code ,,
My Linux Server cannot setup sendmail service
Your solution helpful for my job.
Thank you very much