How to send HTML email using linux command line

Question

I need to send email with html format  I have only linux command line and command  mail    Currently have used   echo  To  address example com   gt   var www report csv echo  Subject  Subject   gt  gt   var www report csv echo  Content-Type  text html  charset   us-ascii     gt  gt   var www report csv  echo   lt html gt    gt  gt   var www report csv mysql -u       -p      -H -e  select   from users LIMIT 20  dev  gt  gt   var www report csv echo   lt  html gt    gt  gt   var www report csv  mail -s  Built notification  address example com  lt   var www report csv   But in my mail-agent i get only plain text

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On OS X  10 9 4   cat works  and is easier if your email is already in a file    cat email template html    mail -s    echo -e  Test nContent-Type  text html    karl marx com

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you should use  append  mode redirection  gt  gt  instead of  gt

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I found a really easy solution  add to the mail command the modifier -aContent-Type text html   In your case would be   mail -aContent-Type text html -s  Built notification  address example com  lt   var www report csv

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This worked for me   echo   lt b gt HTML Message goes here lt  b gt     mail -s    echo -e  This is the subject nContent-Type  text html    foo example com

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Very old question  however it ranked high when I googled a question about this   Find the answer here   Sending HTML mail using a shell script

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Try with    echo  To  address example com   gt   var www report csv echo  Subject  Subject   gt  gt   var www report csv echo  MIME-Version  1 0   gt  gt   var www report csv echo  Content-Type  text html  charset   us-ascii     gt  gt   var www report csv echo  Content-Disposition  inline   gt  gt   var www report csv  echo   lt html gt    gt  gt   var www report csv mysql -u       -p      -H -e  select   from users LIMIT 20  dev  gt  gt   var www report csv echo   lt  html gt    gt  gt   var www report csv  mail -s  Built notification  address example com  lt   var www report csv

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Command Line  Create a file named tmp html with the following contents    lt b gt my bold message lt  b gt    Next  paste the following into the command line  parentheses and all        echo To  youremail blah com   echo From  el defiant com   echo  Content-Type  text html      echo Subject  a logfile   echo   cat tmp html     sendmail -t   The mail will be dispatched including a bold message due to the  lt b gt  element   Shell Script  As a script  save the following as email sh   ARG EMAIL TO  recipient domain com  ARG EMAIL FROM  Your Name  lt you host com gt   ARG EMAIL SUBJECT  Subject Line       echo  To    ARG EMAIL TO     echo  From    ARG EMAIL FROM     echo  Subject    ARG EMAIL SUBJECT     echo  Mime-Version  1 0    echo  Content-Type  text html  charset  utf-8     echo   cat contents html     sendmail -t   Create a file named contents html in the same directory as the email sh script that resembles    lt html gt  lt head gt  lt title gt Subject Line lt  title gt  lt  head gt   lt body gt     lt p style  color red  gt HTML Content lt  p gt   lt  body gt   lt  html gt    Run email sh  When the email arrives  the HTML Content text will appear red   Related   How to send a html email with the bash command  quot sendmail quot

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I was struggling with similar problem  with mail  in one of my git s post receive hooks and finally I found out  that sendmail actually works better for that kind of things  especially if you know a bit of how e-mails are constructed  and it seems like you know   I know this answer comes very late  but maybe it will be of some use to others too  I made use of heredoc operator and use of the feature  that it expands variables  so it can also run inlined scripts  Just check this out  bash script       bin bash recipients        john example com       marry not-so-an example com       naah not this one     sender  highly-automated-reporter example com   subject  Oh  who really cares  seriously      sendmail -t  lt  lt -MAIL     From    sender       for r in    recipients       do echo  To    r    done       Subject    subject      Content-Type  text html  charset UTF-8       lt html gt  lt head gt  lt meta charset  UTF-8   gt  lt  head gt       lt body gt  lt p gt Ladies and gents  here comes the report  lt  p gt       lt pre gt  mysql -u       -p      -H -e  SELECT   FROM users LIMIT 20   lt  pre gt       lt  body gt  lt  html gt  MAIL   Note of backticks in the MAIL part to generate some output and remember  that  lt  lt - operator strips only tabs  not spaces  from the beginning of lines  so in that case copy-paste will not work  you need to replace indentation with proper tabs   Or use  lt  lt  operator and make no indentation at all  Hope this will help someone  Of course you can use backticks outside o MAIL part and save the output into some variable  that you can later use in the MAIL part     matter of taste and readability  And I know     bin bash does not always work on every system

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With heirloom-mailx you can change sendmail program to your hook script  replace headers there and then use sendmail   The script I use    bin sendmail-hook       bin bash  sed  1       s    Content-Type         1text html  charset utf-8 g s    Content-Transfer-Encoding         18bit g      sendmail      This script changes the values in the mail header as follows    Content-Type  to text html  charset utf-8 Content-Transfer-Encoding  to 8bit  not sure if this is really needed     To send HTML email   mail -Ssendmail    bin sendmail-hook        -s  Built notification  address example com  lt   var www report csv

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The problem is that when redirecting a file into  mail  like that  it s used for the message body only  Any headers you embed in the file will go into the body instead   Try   mail --append  Content-type  text html  -s  Built notification  address example com  lt   var www report csv   --append lets you add arbitrary headers to the mail  which is where you should specify the content-type and content-disposition  There s no need to embed the To and Subject headers in your file  or specify them with --append  since you re implicitly setting them on the command line already  -s is the subject  and address example com automatically becomes the To

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My version of mail does not have --append and it too smart for the echo -e  n-trick  it simply replaces  n with space   It does  however  have -a   mail -a  Content-type  text html  -s  Built notification  address example com  lt   var www report html

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