How do I send a file as an email attachment using Linux command line?

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I\'ve created a script that runs every night on my Linux server that uses mysqldump to back up each of my MySQL databases to .sql files and packages them togeth

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说谎

2020-11-22 05:15

Another alternative - Swaks (Swiss Army Knife for SMTP).

swaks -tls \
    --to ${MAIL_TO} \
    --from ${MAIL_FROM} \
    --server ${MAIL_SERVER} \
    --auth LOGIN \
    --auth-user ${MAIL_USER} \
    --auth-password ${MAIL_PASSWORD} \
    --header "Subject: $MAIL_SUBJECT" \
    --header "Content-Type: text/html; charset=UTF-8" \
    --body "$MESSAGE" \
    --attach mysqldbbackup.sql

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青春惊慌失措

2020-11-22 05:15
the shortest way for me is
```
file=filename_or_filepath;uuencode $file $file|mail -s "optional subject" email_address
```
so for your example it'll be
```
file=your_sql.log;gzip -c $file;uuencode ${file}.gz ${file}|mail -s "file with magnets" ph.gachoud@gmail.com
```
the good part is that I can recall it with Ctrl+r to send another file...
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青春惊慌失措

2020-11-22 05:17
I usually only use the mail command on RHEL. I have tried mailx and it is pretty efficient.
```
mailx -s "Sending Files" -a First_LocalConfig.conf -a
Second_LocalConfig.conf Recipient@myemail.com

This is the content of my msg.

.
```
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情话喂你

2020-11-22 05:17

Depending on your mail command options (check it with man mail) and version you could do

echo yourBody|mail -s yoursubject -A /your/attachment/file john@doe.com

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攒了一身酷

2020-11-22 05:20
If the file is text, you can send it easiest in the body as:
```
sendmail recipient@example.com < message.txt
```
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遥遥无期

2020-11-22 05:21

Send a Plaintext body email with one plaintext attachment with mailx:

(
  /usr/bin/uuencode attachfile.txt myattachedfilename.txt; 
  /usr/bin/echo "Body of text"
) | mailx -s 'Subject' youremail@gmail.com

Below is the same command as above, without the newlines

( /usr/bin/uuencode /home/el/attachfile.txt myattachedfilename.txt; /usr/bin/echo "Body of text" ) | mailx -s 'Subject' youremail@gmail.com

Make sure you have a file /home/el/attachfile.txt defined with this contents:

<html><body>
Government discriminates against programmers with cruel/unusual 35 year prison
sentences for making the world's information free, while bankers that pilfer 
trillions in citizens assets through systematic inflation get the nod and 
walk free among us.
</body></html>

If you don't have uuencode read this: https://unix.stackexchange.com/questions/16277/how-do-i-get-uuencode-to-work

On Linux, Send HTML body email with a PDF attachment with sendmail:

Make sure you have ksh installed: yum info ksh

Make sure you have sendmail installed and configured.

Make sure you have uuencode installed and available: https://unix.stackexchange.com/questions/16277/how-do-i-get-uuencode-to-work

Make a new file called test.sh and put it in your home directory: /home/el

Put the following code in test.sh:

#!/usr/bin/ksh
export MAILFROM="el@defiant.com"
export MAILTO="youremail@gmail.com"
export SUBJECT="Test PDF for Email"
export BODY="/home/el/email_body.htm"
export ATTACH="/home/el/pdf-test.pdf"
export MAILPART=`uuidgen` ## Generates Unique ID
export MAILPART_BODY=`uuidgen` ## Generates Unique ID

(
 echo "From: $MAILFROM"
 echo "To: $MAILTO"
 echo "Subject: $SUBJECT"
 echo "MIME-Version: 1.0"
 echo "Content-Type: multipart/mixed; boundary=\"$MAILPART\""
 echo ""
 echo "--$MAILPART"
 echo "Content-Type: multipart/alternative; boundary=\"$MAILPART_BODY\""
 echo ""
 echo "--$MAILPART_BODY"
 echo "Content-Type: text/plain; charset=ISO-8859-1"
 echo "You need to enable HTML option for email"
 echo "--$MAILPART_BODY"
 echo "Content-Type: text/html; charset=ISO-8859-1"
 echo "Content-Disposition: inline"
 cat $BODY
 echo "--$MAILPART_BODY--"

 echo "--$MAILPART"
 echo 'Content-Type: application/pdf; name="'$(basename $ATTACH)'"'
 echo "Content-Transfer-Encoding: uuencode"
 echo 'Content-Disposition: attachment; filename="'$(basename $ATTACH)'"'
 echo ""
 uuencode $ATTACH $(basename $ATTACH)
 echo "--$MAILPART--"
) | /usr/sbin/sendmail $MAILTO

Change the export variables on the top of test.sh to reflect your address and filenames.

Download a test pdf document and put it in /home/el called pdf-test.pdf

Make a file called /home/el/email_body.htm and put this line in it:

<html><body><b>this is some bold text</b></body></html>

Make sure the pdf file has sufficient 755 permissions.

Run the script ./test.sh

Check your email inbox, the text should be in HTML format and the pdf file automatically interpreted as a binary file. Take care not to use this function more than say 15 times in a day, even if you send the emails to yourself, spam filters in gmail can blacklist a domain spewing emails without giving you an option to let them through. And you'll find this no longer works, or it only lets through the attachment, or the email doesn't come through at all. If you have to do a lot of testing on this, spread them out over days or you'll be labelled a spammer and this function won't work any more.

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